Airlines listed on a route between two airport codes (JFK, LHR) in the old OpenF...

{ "method": "GET", "queryParams": { "from": "JFK", "to": "LHR" }, "type": "http" }

{ "example": { "airlines": [ { "active": true, "alias": null, "callsign": "AMERICAN", "country": "United States", "iata": "AA", "icao": "AAL", "listing": "listed", "name": "American Airlines", "openflightsId": 24, "routesFromTo": 1, "routesInSnapshot": 2354, "routesToFrom": 1 }, { "active": true, "alias": null, "callsign": "DELTA", "country": "United States", "iata": "DL", "icao": "DAL", "listing": "listed", "name": "Delta Air Lines", "openflightsId": 2009, "routesFromTo": 1, "routesInSnapshot": 1981, "routesToFrom": 1 } ], "asOf": "2026-10-21T05:49:00.173Z", "attribution": "Airline data: OpenFlights.org, Open Database License 1.0 (attribution and share-alike), static snapshot dated 2017-02-02; includes defunct airlines; route data is old.", "degraded": false, "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.", "from": "JFK", "notChecked": [ "current service: the route table is from about 2014 to 2017 and incomplete", "connecting itineraries (only nonstop pairs as listed, codeshares marked)", "…1 more" ], "reasons": [ "Historical snapshot: confirm current service with the airline." ], "snapshotDate": "2017-02-02", "source": "OpenFlights airlines.dat and routes.dat 2017 snapshot (ODbL 1.0), computed locally", "summary": "12 airline(s) listed between JFK and LHR in the 2017-02-02 snapshot, e.g. American Airlines, Delta Air Lines, US Airways.", "to": "LHR", "verdict": "LISTED" }, "type": "json" }