 Airline | Specify airline to request FLIFO details.Identifies a company by name. |
| ArrivalAirport | Specifies the arrival location.Code and optional string to describe a location point. |
| DepartureAirport | Specifies the departure location.Code and optional string to describe a location point. |
| DepartureDate | Date of departure for flight information. |
| FlightNumber | Specific flight number to request details for. Requires that Airline is also supplied.Identifies a flight number (1 to 4 numbers followed by optional uppercase A - Z, which specifies an operational suffix) or OPEN or ARNK. |