{ "date": "2026-10-06", "scope": { "aircraft": "jets", "minimumConnections": 4, "durationCutoff": 0, "overheadMinutes": 0, "airports": 201, "edges": 3880, "observations": 41894, "twoWayEdges": 3726, "oneWayEdges": 154 }, "fixed": { "reviews": { "reviewed_at": "2026-10-06", "scope": "Individual immutable observation IDs only. Exact source fields must match; changed rows require another audit. No blanket route exceptions or hour adjustment. Unmatched future schedules are not automatically accepted.", "observations": { "c355830b9e9ade6a3810": { "expected": { "from_airport": "TAO", "to_airport": "YVR", "flight_number": "JD471", "date": "2026-10-09", "minutes": 680, "departure_local": "12:20", "arrival_local": "08:40", "aircraft": "Airbus A330-300", "source": "https://2lnr.com/routes/tao-yvr" }, "airports": [ "HGH", "TAO", "YVR" ], "source": "https://www.aeroroutes.com/eng/260815-jdoct26yvr", "basis": "Published 2026-08-15: JD471 HGH\u2192TAO\u2192YVR from 2026-10-02, Fridays. TAO 12:20 \u2192 YVR 08:40, 11h20, A330-300. Only the adjacent TAO\u2192YVR leg is accepted." }, "783e6bbcc5928a9afef8": { "expected": { "from_airport": "HKT", "to_airport": "TLV", "flight_number": "LY88", "date": "2026-10-03", "minutes": 655, "departure_local": "22:30", "arrival_local": "05:25", "aircraft": "Boeing 787-9 Dreamliner", "source": "https://2lnr.com/routes/hkt-tlv" }, "airports": [ "HKT", "TLV" ], "source": "https://www.flight.info/LY88", "basis": "Current dated nonstop HKT\u2192TLV schedule matches aircraft family, departure, arrival and 10h55 duration. Supersedes old HKT\u2192BKK\u2192TLV index for this observation only." }, "30f9f3347abb8e651249": { "expected": { "from_airport": "HKT", "to_airport": "TLV", "flight_number": "LY88", "date": "2026-10-07", "minutes": 655, "departure_local": "13:40", "arrival_local": "20:35", "aircraft": "777", "source": "https://2lnr.com/routes/hkt-tlv" }, "airports": [ "HKT", "TLV" ], "source": "https://www.flight.info/LY88", "basis": "Current dated nonstop HKT\u2192TLV schedule matches aircraft family, departure, arrival and 10h55 duration. Supersedes old HKT\u2192BKK\u2192TLV index for this observation only." }, "81a0ac0244d1c6b85913": { "expected": { "from_airport": "RAK", "to_airport": "FRA", "flight_number": "4Y203", "date": "2026-10-04", "minutes": 285, "departure_local": "07:30", "arrival_local": "13:15", "aircraft": "Airbus A320", "source": "https://2lnr.com/routes/rak-fra" }, "airports": [ "RAK", "FRA" ], "source": "https://data.flightradar24.com/data/flights/4y203", "basis": "4Y203 scheduled duration for the matching date. October 4 UTC schedule 07:30\u219211:15 = 3h45; October 6 independent explicit duration 3h50. Airline also publishes approximately 3h45.", "minutes": 225, "duration_source": "https://data.flightradar24.com/data/flights/4y203", "duration_basis": "Explicit scheduled duration independently cross-checked for this flight and date; no uniform overhead subtraction." }, "2bf990cb8a2c908a0905": { "expected": { "from_airport": "RAK", "to_airport": "FRA", "flight_number": "4Y203", "date": "2026-10-06", "minutes": 290, "departure_local": "07:25", "arrival_local": "13:15", "aircraft": "Airbus A320", "source": "https://2lnr.com/routes/rak-fra" }, "airports": [ "RAK", "FRA" ], "source": "https://www.flight.info/4Y203", "basis": "4Y203 scheduled duration for the matching date. October 4 UTC schedule 07:30\u219211:15 = 3h45; October 6 independent explicit duration 3h50. Airline also publishes approximately 3h45.", "minutes": 230, "duration_source": "https://www.flight.info/4Y203", "duration_basis": "Explicit scheduled duration independently cross-checked for this flight and date; no uniform overhead subtraction." }, "cfe0d885aee061a76b8b": { "expected": { "from_airport": "FRA", "to_airport": "RAK", "flight_number": "4Y202", "date": "2026-10-04", "minutes": 170, "departure_local": "04:50", "arrival_local": "06:40", "aircraft": "Airbus A320", "source": "https://2lnr.com/routes/fra-rak" }, "airports": [ "FRA", "RAK" ], "source": "https://www.flight.info/4Y202", "basis": "4Y202 nonstop dated schedule matches A320 and local clocks: October 4 04:50\u219206:40, 3h50; October 6 04:50\u219206:35, 3h45. Restores return record absent from route index and replaces the contradictory provider duration.", "minutes": 230, "duration_source": "https://www.flight.info/4Y202", "duration_basis": "Explicit scheduled duration independently cross-checked for this flight and date; no uniform overhead subtraction." }, "0780b01f2dee1604757f": { "expected": { "from_airport": "FRA", "to_airport": "RAK", "flight_number": "4Y202", "date": "2026-10-06", "minutes": 165, "departure_local": "04:50", "arrival_local": "06:35", "aircraft": "Airbus A320", "source": "https://2lnr.com/routes/fra-rak" }, "airports": [ "FRA", "RAK" ], "source": "https://www.flight.info/4Y202", "basis": "4Y202 nonstop dated schedule matches A320 and local clocks: October 4 04:50\u219206:40, 3h50; October 6 04:50\u219206:35, 3h45. Restores return record absent from route index and replaces the contradictory provider duration.", "minutes": 225, "duration_source": "https://www.flight.info/4Y202", "duration_basis": "Explicit scheduled duration independently cross-checked for this flight and date; no uniform overhead subtraction." }, "2258bad95128e6c9ba84": { "expected": { "from_airport": "MXP", "to_airport": "RAK", "flight_number": "FR7422", "date": "2026-10-05", "minutes": 145, "departure_local": "22:50", "arrival_local": "00:15", "aircraft": "Boeing 737-800", "source": "https://2lnr.com/routes/mxp-rak" }, "airports": [ "MXP", "RAK" ], "source": "https://www.flight.info/FR7422", "basis": "Monday October 5 FR7422 MXP 22:50 \u2192 RAK 00:15, Boeing 737-800; explicit duration 3h25 also corroborated by the dated Trip.com schedule.", "minutes": 205, "duration_source": "https://www.flight.info/FR7422", "duration_basis": "Explicit scheduled duration independently cross-checked for this flight and date; no uniform overhead subtraction." } } }, "restoredReturnObservations": 5, "correctedDurations": 5, "optimizer": "Seeded basin annealing with jitter or reflections of groups selected by measured graph times or fitted XYZ proximity. Sixty-four proposals per start, 400 local relaxation steps per proposal, decreasing Metropolis temperature and one fresh seeded 3D restart. Keep the best fit visible; no airport geography or sphere forces.", "additional": "Faster degree-normalized descent with error-decreasing backtracking, cached edge degrees and loss, and bounded animation work." }, "runs": [ { "seed": 71, "localOnly": { "stress": 0.06500696991728082, "rmse": 0.45765642014697483, "iterations": 3053, "stable": true }, "annealing": { "stress": 0.045741338993440635, "rmse": 0.3220241996066706, "iterations": 56313, "stable": true, "radialVariation": 0.08374803043055912, "annealing": { "attempt": 128, "trials": 128, "restarts": 1, "accepted": 123, "uphillAccepted": 36, "improvements": 12975, "initialCost": 812.663667738768, "temperature": 2.1727149744342054, "finished": true } } }, { "seed": 72, "localOnly": { "stress": 0.06239150081874077, "rmse": 0.43924322189814097, "iterations": 1621, "stable": true }, "annealing": { "stress": 0.04574133900452571, "rmse": 0.32202419968471085, "iterations": 56284, "stable": true, "radialVariation": 0.0837476700825796, "annealing": { "attempt": 128, "trials": 128, "restarts": 1, "accepted": 123, "uphillAccepted": 41, "improvements": 6665, "initialCost": 748.5862789758228, "temperature": 4.2001242557047, "finished": true } } }, { "seed": 73, "localOnly": { "stress": 0.06438078882192949, "rmse": 0.4532480344180775, "iterations": 2521, "stable": true }, "annealing": { "stress": 0.04588657698777224, "rmse": 0.3230466915123802, "iterations": 55940, "stable": true, "radialVariation": 0.07478088763006077, "annealing": { "attempt": 128, "trials": 128, "restarts": 1, "accepted": 124, "uphillAccepted": 36, "improvements": 16639, "initialCost": 797.083069130941, "temperature": 2.1896115528508626, "finished": true } } } ], "defaultAirportScores": [ { "airport": "SHA", "edges": 18, "localError": 0.08996261317873312, "radiusRatio": 1.0638495651992719, "name": "Shanghai" }, { "airport": "TSN", "edges": 21, "localError": 0.08793435790870369, "radiusRatio": 0.9311302668810149, "name": "Tianjin" }, { "airport": "RGN", "edges": 18, "localError": 0.08052447982392928, "radiusRatio": 1.0638371266906215, "name": "Yangon" }, { "airport": "GYD", "edges": 30, "localError": 0.07656928926994279, "radiusRatio": 1.1105882194769017, "name": "Baku" }, { "airport": "CTU", "edges": 19, "localError": 0.07385885722707093, "radiusRatio": 1.0887450375784906, "name": "Chengdu" }, { "airport": "HYD", "edges": 27, "localError": 0.07291670306847581, "radiusRatio": 1.0161031283105852, "name": "Hyderabad" }, { "airport": "KTM", "edges": 19, "localError": 0.07235786498907189, "radiusRatio": 1.0756911325109706, "name": "Kathmandu" }, { "airport": "OKA", "edges": 12, "localError": 0.0723043792716811, "radiusRatio": 0.8683638153641978, "name": "Okinawa" }, { "airport": "KMG", "edges": 36, "localError": 0.0721794520260061, "radiusRatio": 1.1308147188880877, "name": "Kunming" }, { "airport": "RAK", "edges": 25, "localError": 0.07212497901805034, "radiusRatio": 0.892017311798914, "name": "Marrakech" }, { "airport": "HKT", "edges": 33, "localError": 0.07067196378899744, "radiusRatio": 1.060679735833828, "name": "Phuket" }, { "airport": "AMD", "edges": 17, "localError": 0.07062576762016194, "radiusRatio": 1.1396640266871694, "name": "Ahmedabad" }, { "airport": "TAO", "edges": 36, "localError": 0.07056541031980271, "radiusRatio": 1.1012650486289997, "name": "Qingdao" }, { "airport": "BLR", "edges": 34, "localError": 0.06917752090554112, "radiusRatio": 1.0090865725453122, "name": "Bangalore" }, { "airport": "PEK", "edges": 83, "localError": 0.06812120191066028, "radiusRatio": 1.0560673649139158, "name": "Beijing" }, { "airport": "TLV", "edges": 45, "localError": 0.06768191179400412, "radiusRatio": 1.0404411948451615, "name": "Tel Aviv" }, { "airport": "DEL", "edges": 62, "localError": 0.0673242471728602, "radiusRatio": 1.1398089413584618, "name": "Delhi" }, { "airport": "ARN", "edges": 44, "localError": 0.067202903803715, "radiusRatio": 1.0300503473542586, "name": "Stockholm" }, { "airport": "YOW", "edges": 12, "localError": 0.06717831679930196, "radiusRatio": 1.0858808101096102, "name": "Ottawa" }, { "airport": "FOC", "edges": 29, "localError": 0.06692440156328736, "radiusRatio": 1.0467503614323228, "name": "Fuzhou" }, { "airport": "TAS", "edges": 36, "localError": 0.06537567144915293, "radiusRatio": 1.0288551936567607, "name": "Tashkent" }, { "airport": "EVN", "edges": 20, "localError": 0.06472057126968854, "radiusRatio": 1.054815698945795, "name": "Yerevan" }, { "airport": "DUS", "edges": 34, "localError": 0.06467351248887818, "radiusRatio": 0.8768402836476518, "name": "Dusseldorf" }, { "airport": "PEN", "edges": 19, "localError": 0.0645843352691174, "radiusRatio": 0.9437381334242936, "name": "Penang" }, { "airport": "TBS", "edges": 23, "localError": 0.06455524082715346, "radiusRatio": 1.0834453732753428, "name": "Tbilisi" }, { "airport": "FLL", "edges": 32, "localError": 0.06375384084517799, "radiusRatio": 1.133067369465585, "name": "Fort Lauderdale" }, { "airport": "XIY", "edges": 32, "localError": 0.06367082265387114, "radiusRatio": 1.1063538954368193, "name": "Xi'an" }, { "airport": "DMM", "edges": 23, "localError": 0.06227457254313132, "radiusRatio": 1.0793433072659786, "name": "Dammam" }, { "airport": "BAH", "edges": 38, "localError": 0.06222352007263669, "radiusRatio": 1.0177100941626314, "name": "Manama" }, { "airport": "DLC", "edges": 22, "localError": 0.061548103670955985, "radiusRatio": 1.0509471807464088, "name": "Dalian" }, { "airport": "EDI", "edges": 39, "localError": 0.061155834748460085, "radiusRatio": 1.0118569428948043, "name": "Edinburgh" }, { "airport": "TUN", "edges": 26, "localError": 0.061152352886441344, "radiusRatio": 0.9798271710201929, "name": "Tunis" }, { "airport": "HAM", "edges": 27, "localError": 0.06113960384026052, "radiusRatio": 0.8888776281180611, "name": "Hamburg" }, { "airport": "SJU", "edges": 21, "localError": 0.060974101144795304, "radiusRatio": 1.175730002404954, "name": "San Juan" }, { "airport": "WAW", "edges": 50, "localError": 0.06091166014802244, "radiusRatio": 1.0540820977605159, "name": "Warsaw" }, { "airport": "MAA", "edges": 23, "localError": 0.060569125165265025, "radiusRatio": 1.0895858969959424, "name": "Chennai" }, { "airport": "CCU", "edges": 18, "localError": 0.05947755375193919, "radiusRatio": 1.15056149926806, "name": "Kolkata" }, { "airport": "CTS", "edges": 12, "localError": 0.059232392237022244, "radiusRatio": 0.8464033016676502, "name": "Sapporo" }, { "airport": "CMN", "edges": 38, "localError": 0.05920440714002212, "radiusRatio": 0.8715619312713656, "name": "Casablanca" }, { "airport": "CSX", "edges": 25, "localError": 0.057934484386699216, "radiusRatio": 0.9209831020815025, "name": "Changsha" }, { "airport": "PRG", "edges": 36, "localError": 0.057649291573144974, "radiusRatio": 1.0302776942832255, "name": "Prague" }, { "airport": "OSL", "edges": 38, "localError": 0.0575816845350843, "radiusRatio": 0.9572126886572587, "name": "Oslo" }, { "airport": "MCT", "edges": 42, "localError": 0.05751447303613123, "radiusRatio": 0.8886495295047029, "name": "Muscat" }, { "airport": "PHX", "edges": 35, "localError": 0.056879400672299976, "radiusRatio": 0.833974759343383, "name": "Phoenix" }, { "airport": "GVA", "edges": 47, "localError": 0.056718199386608555, "radiusRatio": 1.0105038769230272, "name": "Geneva" }, { "airport": "NCE", "edges": 39, "localError": 0.05661523907284603, "radiusRatio": 0.8768917234510305, "name": "Nice, Alpes-Maritimes" }, { "airport": "NGO", "edges": 19, "localError": 0.05633849915645533, "radiusRatio": 0.9608330043108053, "name": "Nagoya" }, { "airport": "BEY", "edges": 28, "localError": 0.05608953448040519, "radiusRatio": 1.0316710944692853, "name": "Beirut" }, { "airport": "PUS", "edges": 26, "localError": 0.05601230481234281, "radiusRatio": 0.9223662288370521, "name": "Busan" }, { "airport": "HEL", "edges": 38, "localError": 0.05538290995575407, "radiusRatio": 1.1193732189074246, "name": "Helsinki" }, { "airport": "DUB", "edges": 52, "localError": 0.055271212470969555, "radiusRatio": 1.0314587491901266, "name": "Dublin" }, { "airport": "DAD", "edges": 13, "localError": 0.055213463797269165, "radiusRatio": 0.880219570256299, "name": "Da Nang" }, { "airport": "ANC", "edges": 13, "localError": 0.05504623076573687, "radiusRatio": 1.0488715655010834, "name": "Anchorage" }, { "airport": "ALA", "edges": 26, "localError": 0.055023339009835574, "radiusRatio": 1.1394052812405362, "name": "Almaty" }, { "airport": "FUK", "edges": 17, "localError": 0.054760614142377956, "radiusRatio": 0.8619803631404153, "name": "Fukuoka" }, { "airport": "CNX", "edges": 16, "localError": 0.054537849080134905, "radiusRatio": 0.9449830517659282, "name": "Chiang Mai" }, { "airport": "ATH", "edges": 60, "localError": 0.054511329456978556, "radiusRatio": 0.9976953242824818, "name": "Athens" }, { "airport": "WUH", "edges": 31, "localError": 0.05438433694605557, "radiusRatio": 0.9548574372446126, "name": "Wuhan" }, { "airport": "CLT", "edges": 39, "localError": 0.054370177174701474, "radiusRatio": 0.9283260016814285, "name": "Charlotte" }, { "airport": "GUA", "edges": 17, "localError": 0.054336091348597335, "radiusRatio": 1.0544968287385168, "name": "Guatemala City" }, { "airport": "CGK", "edges": 38, "localError": 0.05409817703879281, "radiusRatio": 1.0433658868109146, "name": "Jakarta" }, { "airport": "DEN", "edges": 43, "localError": 0.053624218182227325, "radiusRatio": 0.863282198088617, "name": "Denver" }, { "airport": "HND", "edges": 53, "localError": 0.05361366608101819, "radiusRatio": 0.9690174669657884, "name": "Tokyo" }, { "airport": "EBB", "edges": 16, "localError": 0.053606206502838157, "radiusRatio": 0.8403024200724886, "name": "Entebbe" }, { "airport": "BOM", "edges": 49, "localError": 0.053565419161132694, "radiusRatio": 1.0266283357887929, "name": "Mumbai" }, { "airport": "BOS", "edges": 60, "localError": 0.053371842032406115, "radiusRatio": 1.0831265643283743, "name": "Boston" }, { "airport": "MAN", "edges": 48, "localError": 0.053320108022909186, "radiusRatio": 0.9235359249135774, "name": "Manchester" }, { "airport": "LAS", "edges": 38, "localError": 0.05331167165423991, "radiusRatio": 0.8806562730077372, "name": "Las Vegas" }, { "airport": "VIE", "edges": 61, "localError": 0.05327780274027416, "radiusRatio": 0.970257295935855, "name": "Vienna" }, { "airport": "CUN", "edges": 44, "localError": 0.053224745539824106, "radiusRatio": 0.9664754629348882, "name": "Cancun" }, { "airport": "CPH", "edges": 57, "localError": 0.05288201156266324, "radiusRatio": 0.9694271189356883, "name": "Copenhagen" }, { "airport": "AMM", "edges": 44, "localError": 0.05275999015477712, "radiusRatio": 0.9355606132046221, "name": "Amman" }, { "airport": "NRT", "edges": 70, "localError": 0.052418762837143855, "radiusRatio": 0.9894117384319462, "name": "Tokyo" }, { "airport": "LHE", "edges": 18, "localError": 0.052348702402327654, "radiusRatio": 0.9793702488710297, "name": "Lahore" }, { "airport": "SLC", "edges": 34, "localError": 0.05181014292079409, "radiusRatio": 0.9976041727708658, "name": "Salt Lake City" }, { "airport": "HGH", "edges": 38, "localError": 0.05178813461684947, "radiusRatio": 1.0670247039003227, "name": "Hangzhou" }, { "airport": "MSP", "edges": 42, "localError": 0.051746854483935865, "radiusRatio": 1.0133130390199134, "name": "Minneapolis" }, { "airport": "URC", "edges": 29, "localError": 0.05152688453471179, "radiusRatio": 1.102573475414627, "name": "\u00dcr\u00fcmqi" }, { "airport": "KIX", "edges": 41, "localError": 0.05124423760928491, "radiusRatio": 0.9993249876178599, "name": "Osaka" }, { "airport": "TPA", "edges": 32, "localError": 0.05066720126352907, "radiusRatio": 1.0687440150154388, "name": "Tampa" }, { "airport": "RUH", "edges": 47, "localError": 0.05061733787352803, "radiusRatio": 0.9949809628360141, "name": "Riyadh" }, { "airport": "HAN", "edges": 53, "localError": 0.05053280165883969, "radiusRatio": 1.0257974870847444, "name": "Hanoi" }, { "airport": "PUJ", 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-1.110430636613545, "relativeError": -0.08853931986287403, "twoWay": true }, { "a": "AMS", "b": "NRT", "target": 13.708333333333334, "fitted": 12.628559339155418, "error": -1.0797739941779163, "relativeError": -0.07876770778197566, "twoWay": true }, { "a": "PEK", "b": "YVR", "target": 12.041666666666666, "fitted": 11.014004585624544, "error": -1.0276620810421218, "relativeError": -0.08534217974052223, "twoWay": true }, { "a": "AMS", "b": "PEK", "target": 11.666666666666666, "fitted": 10.644610285251062, "error": -1.022056381415604, "relativeError": -0.08760483269276606, "twoWay": true }, { "a": "FRA", "b": "NRT", "target": 13.625, "fitted": 12.603724246535936, "error": -1.0212757534640637, "relativeError": -0.07495601860286706, "twoWay": true } ], "triangleAudit": { "triangles": 34782, "violations": 82, "worst": [ { "airports": [ "DXB", "TLV", "HKT" ], "longestEdge": [ "TLV", "HKT" ], "longestHours": 11.291666666666666, "otherHours": 9.838807189542484, "excessHours": 1.4528594771241825 }, { "airports": [ "AUH", "TLV", "HKT" ], "longestEdge": [ "TLV", "HKT" ], "longestHours": 11.291666666666666, "otherHours": 9.888141025641026, "excessHours": 1.4035256410256398 }, { "airports": [ "DXB", "BKK", "TLV" ], "longestEdge": [ "BKK", "TLV" ], "longestHours": 11.267045454545455, "otherHours": 9.901307189542484, "excessHours": 1.3657382650029715 }, { "airports": [ "BKK", "AUH", "TLV" ], "longestEdge": [ "BKK", "TLV" ], "longestHours": 11.267045454545455, "otherHours": 9.918498168498168, "excessHours": 1.3485472860472862 }, { "airports": [ "ICN", "PEK", "CPH" ], "longestEdge": [ "ICN", "CPH" ], "longestHours": 12.541666666666666, "otherHours": 11.434325396825397, "excessHours": 1.1073412698412683 }, { "airports": [ "HND", "PEK", "ARN" ], "longestEdge": [ "HND", "ARN" ], "longestHours": 13.75, "otherHours": 12.684027777777779, "excessHours": 1.0659722222222223 }, { "airports": [ "AMS", "PEK", "CPH" ], "longestEdge": [ "AMS", "PEK" ], "longestHours": 11.666666666666666, "otherHours": 10.682692307692308, "excessHours": 0.9839743589743579 }, { "airports": [ "DEL", "CPH", "WAW" ], "longestEdge": [ "DEL", "CPH" ], "longestHours": 10.25, "otherHours": 9.271008403361344, "excessHours": 0.9789915966386558 }, { "airports": [ "DEL", "VIE", "GYD" ], "longestEdge": [ "DEL", "VIE" ], "longestHours": 9.375, "otherHours": 8.458333333333332, "excessHours": 0.916666666666667 }, { "airports": [ "PEK", "TPE", "PRG" ], "longestEdge": [ "TPE", "PRG" ], "longestHours": 13.979166666666666, "otherHours": 13.075462962962963, "excessHours": 0.903703703703703 }, { "airports": [ "LHR", "ICN", "PEK" ], "longestEdge": [ "LHR", "ICN" ], "longestHours": 13.569444444444445, "otherHours": 12.67738095238095, "excessHours": 0.8920634920634933 }, { "airports": [ "ICN", "PEK", "WAW" ], "longestEdge": [ "ICN", "WAW" ], "longestHours": 12, "otherHours": 11.155158730158732, "excessHours": 0.8448412698412691 }, { "airports": [ "YYZ", "PEK", "BOS" ], "longestEdge": [ "PEK", "BOS" ], "longestHours": 15.708333333333334, "otherHours": 14.930454545454545, "excessHours": 0.7778787878787885 }, { "airports": [ "FRA", "ICN", "PEK" ], "longestEdge": [ "FRA", "ICN" ], "longestHours": 12.791666666666666, "otherHours": 12.02113095238095, "excessHours": 0.7705357142857148 }, { "airports": [ "LHR", "TPE", "WUH" ], "longestEdge": [ "LHR", "TPE" ], "longestHours": 14.416666666666666, "otherHours": 13.666666666666668, "excessHours": 0.7499999999999987 }, { "airports": [ "DEL", "MUC", "CPH" ], "longestEdge": [ "DEL", "CPH" ], "longestHours": 10.25, "otherHours": 9.524305555555555, "excessHours": 0.725694444444444 }, { "airports": [ "FRA", "DEL", "MUC" ], "longestEdge": [ "FRA", "DEL" ], "longestHours": 9.611111111111112, "otherHours": 8.916666666666668, "excessHours": 0.6944444444444455 }, { "airports": [ "AMS", "PEK", "ARN" ], "longestEdge": [ "AMS", "PEK" ], "longestHours": 11.666666666666666, "otherHours": 10.975, "excessHours": 0.691666666666666 }, { "airports": [ "AMS", "PEK", "WAW" ], "longestEdge": [ "AMS", "PEK" ], "longestHours": 11.666666666666666, "otherHours": 10.999107142857143, "excessHours": 0.6675595238095227 }, { "airports": [ "AMS", "PEK", "OSL" ], "longestEdge": [ "AMS", "PEK" ], "longestHours": 11.666666666666666, "otherHours": 11.016666666666667, "excessHours": 0.6499999999999988 } ] }, "remaining": [ { "issue": "Incompatible time constraints", "status": "Unresolved", "evidence": "82 of 34,782 fully observed triangles violate the triangle inequality by more than 0.001h. No arrangement of Euclidean points can satisfy such a triangle exactly.", "interpretation": "Travel times include route-dependent wind, performance, routing and schedule overhead. The exact cause of each remaining inconsistency has not been measured." }, { "issue": "Short-flight overhead", "status": "Unresolved", "evidence": { "below3Hours": { "edges": 1060, "normalizedError": 0.14483419889857274, "meanSignedMinutes": -12.687885990113978 }, "atLeast3Hours": { "edges": 2820, "normalizedError": 0.039850992078344326, "meanSignedMinutes": -0.4485998041402916 } }, "interpretation": "Short-flight residuals remain proportionately larger. There is no new cutoff or uniform time subtraction." }, { "issue": "Verification coverage", "status": "Partially corrected", "evidence": "Five return observations recovered using exact dated independent evidence. 10,420 original observations remain quarantined, including ten confirmed stopped journeys. Exclusion means insufficient or conflicting evidence, not necessarily a connecting flight.", "interpretation": "The independent crowdsourced index can be stale. Unknown records are not assumed nonstop." }, { "issue": "Conflicting LY88 October 6 schedule", "status": "Still quarantined", "evidence": "Raw source reports departure 13:40 and duration 10h40; the currently published independent dated schedule reports departure 13:25 and duration 10h55. The two matching October 3 and 7 return records are restored.", "interpretation": "The conflicting source observation is not guessed into the dataset." }, { "issue": "Global optimality and ambiguous shape", "status": "Mitigated, not guaranteed", "evidence": "All three tested starts reach 4.57\u20134.59% error with two annealing chains, versus 6.24\u20136.50% without annealing. Other seeds, datasets and sparse airports can still have worse or ambiguous fits.", "interpretation": "A settled fit means the bounded search ended and local movement is negligible. It does not certify a global minimum or a sphere." } ], "errorDefinition": "sqrt(sum((fittedHours-targetHours)^2)/sum(targetHours^2)). Airport scores use every incident edge. Positive residual means fitted separation is greater than the time target. Total edges count distinct neighboring airports." }