{
    "callsign": "AAL251R",
    "number": "251R",
    "airline_code": "AAL",
    "airport_codes": "KIAD-KBWI",
    "_airport_codes_iata": "IAD-BWI",
    "_airports": [
        {
            "name": "Washington Dulles International Airport",
            "icao": "KIAD",
            "iata": "IAD",
            "location": "Washington",
            "countryiso2": "US",
            "lat": 38.9445,
            "lon": -77.455803,
            "alt_feet": 312.0,
            "alt_meters": 95.1
        },
        {
            "name": "Baltimore/Washington International Thurgood Marshal Airport",
            "icao": "KBWI",
            "iata": "BWI",
            "location": "Baltimore",
            "countryiso2": "US",
            "lat": 39.1754,
            "lon": -76.668297,
            "alt_feet": 146.0,
            "alt_meters": 44.5
        }
    ]
}