{
    "callsign": "AAL21R",
    "number": "21R",
    "airline_code": "AAL",
    "airport_codes": "KDEN-KORD",
    "_airport_codes_iata": "DEN-ORD",
    "_airports": [
        {
            "name": "Denver International Airport",
            "icao": "KDEN",
            "iata": "DEN",
            "location": "Denver",
            "countryiso2": "US",
            "lat": 39.861698,
            "lon": -104.672997,
            "alt_feet": 5431.0,
            "alt_meters": 1655.37
        },
        {
            "name": "Chicago O'Hare International Airport",
            "icao": "KORD",
            "iata": "ORD",
            "location": "Chicago",
            "countryiso2": "US",
            "lat": 41.9786,
            "lon": -87.9048,
            "alt_feet": 672.0,
            "alt_meters": 204.83
        }
    ]
}