Flight Number to Airline Lookup

{
  "type": "object",
  "required": [
    "flight"
  ],
  "properties": {
    "flight": {
      "type": "string",
      "description": "Flight number, e.g. LH400"
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "Present instead of the airline fields above when the flight number itself is malformed -- observed as 'HTTP_400' for an unrecognized flight number."
    },
    "note": {
      "type": "string",
      "description": "A caveat from the endpoint about data completeness. Observed on the one real fixture captured stating live flight-tracking data is unavailable and only airline identification is being returned -- present on every real call observed so far."
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message accompanying `code`."
    },
    "flight_num": {
      "type": "string",
      "description": "The numeric route portion of the flight number, e.g. '400' for LH400."
    },
    "airline_code": {
      "type": "string",
      "description": "IATA/ICAO airline code parsed from the flight number, e.g. 'LH'."
    },
    "airline_name": {
      "type": "string",
      "description": "The operating airline's name, resolved from airline_code, e.g. 'Lufthansa'."
    },
    "flight_number": {
      "type": "string",
      "description": "Echoes the queried flight number, e.g. 'LH400'."
    }
  },
  "description": "Airline identification for the requested flight number on a recognized flight, or an error code/message when the flight number is malformed.",
  "additionalProperties": true
}