| Connection | Indicates the flight will require a change of aircraft at a connecting point(s). |
| Direct | Indicates the flight makes a scheduled stop(s) between 2 points. |
| DoubleConnection | A trip with only two connections. |
| Nonstop | Indicates the flight does not make any scheduled stops between 2 points. |
| OneStopOnly | Indicates that the flight makes only one stop. |
| SingleConnection | A trip with only one connection. |