{
    "details": {
        "Late": {
            "levels": [
                "false"
            ], 
            "with_others": false
        }, 
        "UniqueCarrier": {
            "levels": [
                "WN", 
                "AA", 
                "MQ", 
                "OO", 
                "DL", 
                "NW"
            ], 
            "with_others": false
        }
    }
}