{
    "callsign": "FRG1601",
    "number": "1601",
    "airline_code": "FRG",
    "airport_codes": "KMLI-KSDF",
    "_airport_codes_iata": "MLI-SDF",
    "_airports": [
        {
            "name": "Quad City International Airport",
            "icao": "KMLI",
            "iata": "MLI",
            "location": "Moline",
            "countryiso2": "US",
            "lat": 41.448502,
            "lon": -90.5075,
            "alt_feet": 590.0,
            "alt_meters": 179.83
        },
        {
            "name": "Louisville International Standiford Field",
            "icao": "KSDF",
            "iata": "SDF",
            "location": "Louisville",
            "countryiso2": "US",
            "lat": 38.1744,
            "lon": -85.736,
            "alt_feet": 501.0,
            "alt_meters": 152.7
        }
    ]
}