| ArrivalTime | Search should be based on arrival time. |
| AvailableAndWaitlist | Check for available and waitlisted flights. |
| AvailableOnly | Check for available flights. |
| FreighterFlights | Check for available freighter flights. |
| Normal | No special conditions (default) |
| PowerFlight | Checks availability and fares by manually entered data. |
| Reward | Check for available frequent flyer reward flights and classes. |
| WaitlistOnly | Only check only for waitlist flights. |
| Window | Search should be done for a window of time. |