
The Mainline Hub features the current day Frontier Airlines flights, as well as the jet aircraft routes of the past Frontier Airlines. Serving the United States, Canada and Mexico, the Mainline Hub allows pilots to fly Airbus and Boeing aircraft to over 100 cities utilized in current and past operations.
| FFT206 | Kyle Weber | 17.30 |
| FFT100 | Ryan O'Connor, Mainline Hub Manager | 16.60 |
| FFT166 | Jim DiCroce | 13.20 |
| FFT109 | Michael Munion | 11.10 |
| FFT115 | Justin Medlock | 9.00 |
| FFT206 | Kyle Weber | 9 |
| FFT100 | Ryan O'Connor, Mainline Hub Manager | 8 |
| FFT166 | Jim DiCroce | 7 |
| FFT102 | Robert Batt, Assistant Hub Manager | 6 |
| FFT115 | Justin Medlock | 5 |
| FFT115 | Justin Medlock |
| FFT111 | Steve Bartlett |
| FFT132 | Richard Goon |
| FFT108 | Jackson Brown |
| FFT104 | Michael Diehl |