{"api":"AirportMiles API v1","generated":"2026-10-14","docs":"https://airportmiles.com/api","self":"https://airportmiles.com/api/v1/routes/jfk-lhr.json","page":"https://airportmiles.com/distance/jfk-lhr","licence":"CC0-1.0","licenceNote":"Fields a source in \"sources\" covers keep that source's licence: name the source when you reuse them.","key":"JFK-LHR","from":{"iata":"JFK","icao":"KJFK","name":"John F. Kennedy International Airport","city":"New York","country":"US","latitude":40.6394,"longitude":-73.7793,"self":"https://airportmiles.com/api/v1/airports/jfk.json"},"to":{"iata":"LHR","icao":"EGLL","name":"London Heathrow Airport","city":"London","country":"GB","latitude":51.4707,"longitude":-0.4599,"self":"https://airportmiles.com/api/v1/airports/lhr.json"},"distance":{"km":5555,"mi":3452,"nm":2999,"greatCircleKm":5540,"method":"km, mi, nm: geodesic on the WGS-84 ellipsoid (GeographicLib). greatCircleKm: sphere of radius 6,371 km, the method EU261 and UK261 prescribe."},"bearing":{"fromA":51,"fromB":288},"midpoint":{"lat":52.2361,"lon":-41.2943},"flightTime":{"estimateMin":440,"estimateMethod":"48 min + greatCircleKm / 847 km/h, rounded to 5 min; fitted to 8609021 US scheduled flights (2025-08…2026-07).","directions":{"JFK>LHR":{"flights":7223,"passengers":1511278,"blockMin":423,"airMin":381},"LHR>JFK":{"flights":7209,"passengers":1473196,"blockMin":476,"airMin":436}}},"compensation":{"note":"Information, not legal advice. For arriving 3 hours or more late (or a cancellation without notice), unless extraordinary circumstances apply.","directions":[{"from":"US","to":"GB","eu261":null,"uk261":{"band":"long","amount":520,"reducedAmount":260,"currency":"GBP","airlines":"uk-or-eu"}},{"from":"GB","to":"US","eu261":null,"uk261":{"band":"long","amount":520,"reducedAmount":260,"currency":"GBP","airlines":"any"}}]},"co2":{"kgPerPassenger":648,"kgWithoutRadiativeForcing":384,"band":"longHaul","factorsKgPerKm":{"withRf":0.11704,"withoutRf":0.06926},"scope":"One way, economy, per passenger, including radiative forcing"},"traffic":{"t100":{"period":"2025-08…2026-07","passengers":2984474,"passengersPreviousPeriod":3181463,"seats":3680131,"flights":14432,"freightKg":111738413,"mailKg":2072297,"airlines":[{"code":"BA","name":"British Airways","passengers":1189589,"seats":1404076,"flights":5744},{"code":"VS","name":"Virgin Atlantic Airways","passengers":846081,"seats":1076718,"flights":3549},{"code":"AA","name":"American Airlines","passengers":494853,"seats":650709,"flights":2270},{"code":"DL","name":"Delta Air Lines","passengers":289090,"seats":349734,"flights":1433},{"code":"B6","name":"JetBlue Airways","passengers":164861,"seats":198894,"flights":1436}],"aircraft":[{"code":"637","name":"Boeing 777-300/300ER/333ER","flights":3468},{"code":"627","name":"Boeing 777-200ER/200LR/233LR","flights":3289},{"code":"836","name":"Airbus 350-1000","flights":1870},{"code":"721","name":"Airbus Industrie A321-200n","flights":1436},{"code":"889","name":"B787-900 Dreamliner","flights":1266},{"code":"824","name":"Airbus A330-900neo","flights":804},{"code":"837","name":"Boeing 787-10 Dreamliner","flights":752},{"code":"696","name":"Airbus Industrie A330-200","flights":534}],"months":[{"month":"2025-08","passengers":320475,"flights":1353},{"month":"2025-09","passengers":265312,"flights":1317},{"month":"2025-10","passengers":278451,"flights":1307},{"month":"2025-11","passengers":233426,"flights":1131},{"month":"2025-12","passengers":254192,"flights":1103},{"month":"2026-01","passengers":199338,"flights":1052},{"month":"2026-02","passengers":178736,"flights":934},{"month":"2026-03","passengers":234291,"flights":1159},{"month":"2026-04","passengers":242996,"flights":1214},{"month":"2026-05","passengers":262308,"flights":1376},{"month":"2026-06","passengers":259285,"flights":1266},{"month":"2026-07","passengers":255664,"flights":1220}],"scope":"Both directions, all carriers, scheduled service"},"eurostat":null,"national":null},"punctuality":null,"fares":null,"faresSold":null,"sources":[{"id":"ourairports","name":"OurAirports","url":"https://ourairports.com/data/","licence":"Public domain","fields":["from","to"]},{"id":"computed","name":"AirportMiles, computed from the coordinates","url":"https://airportmiles.com/sources","licence":"CC0-1.0","fields":["distance","bearing","midpoint","flightTime.estimateMin","compensation"]},{"id":"desnz","name":"UK Department for Energy Security and Net Zero, GHG conversion factors 2026","url":"https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2026","licence":"Open Government Licence v3.0","fields":["co2"]},{"id":"t100","name":"U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service)","url":"https://www.transtats.bts.gov/","licence":"Public domain (US federal work)","period":"2025-08…2026-07","fields":["traffic.t100","flightTime.directions"]}]}