{
    "callsign": "RFD21",
    "number": "21",
    "airline_code": "RFD",
    "airport_codes": "KBRO-MMMY",
    "_airport_codes_iata": "BRO-MTY",
    "_airports": [
        {
            "name": "Brownsville South Padre Island International Airport",
            "icao": "KBRO",
            "iata": "BRO",
            "location": "Brownsville",
            "countryiso2": "US",
            "lat": 25.906799,
            "lon": -97.425903,
            "alt_feet": 22.0,
            "alt_meters": 6.71
        },
        {
            "name": "General Mariano Escobedo International Airport",
            "icao": "MMMY",
            "iata": "MTY",
            "location": "Monterrey",
            "countryiso2": "MX",
            "lat": 25.7785,
            "lon": -100.107002,
            "alt_feet": 1278.0,
            "alt_meters": 389.53
        }
    ]
}