{
    "callsign": "SJO857",
    "number": "857",
    "airline_code": "SJO",
    "airport_codes": "RJAA-RJCH",
    "_airport_codes_iata": "NRT-HKD",
    "_airports": [
        {
            "name": "Narita International Airport",
            "icao": "RJAA",
            "iata": "NRT",
            "location": "Tokyo",
            "countryiso2": "JP",
            "lat": 35.764702,
            "lon": 140.386002,
            "alt_feet": 141.0,
            "alt_meters": 42.98
        },
        {
            "name": "Hakodate Airport",
            "icao": "RJCH",
            "iata": "HKD",
            "location": "Hakodate",
            "countryiso2": "JP",
            "lat": 41.77,
            "lon": 140.822006,
            "alt_feet": 151.0,
            "alt_meters": 46.02
        }
    ]
}