Showing 295 registered airlines with a combined fleet of 1,184 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Porter Airlines | POE / PD | 58 |
| Porter Airlines | PTR / P3 | 0 |
| Powell Air | PWL | 0 |
| Pratt and Whitney Canada | PWC | 0 |
| Prince Edward Air | CME | 1 |
| Propair | PRO | 3 |
| Provincial Airlines | SPR / PB | 8 |
| Provincial Express | PRV | 0 |
| Q Jets Aviation Ltd. | SDE | 6 |
| Quantex Environmental | QTX | 0 |