{
    "callsign": "NSZ5519",
    "number": "5519",
    "airline_code": "NSZ",
    "airport_codes": "EKBI-LEBL",
    "_airport_codes_iata": "BLL-BCN",
    "_airports": [
        {
            "name": "Billund Airport",
            "icao": "EKBI",
            "iata": "BLL",
            "location": "Billund",
            "countryiso2": "DK",
            "lat": 55.740299,
            "lon": 9.15178,
            "alt_feet": 247.0,
            "alt_meters": 75.29
        },
        {
            "name": "Barcelona International Airport",
            "icao": "LEBL",
            "iata": "BCN",
            "location": "Barcelona",
            "countryiso2": "ES",
            "lat": 41.2971,
            "lon": 2.07846,
            "alt_feet": 12.0,
            "alt_meters": 3.66
        }
    ]
}