
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.
| FFT184 | Ben Elder Jr | 12.10 |
| FFT205 | Carsten Jentges | 9.80 |
| FFT223 | S. Sananda | 9.70 |
| FFT185 | Alexandre Fazan | 4.80 |
| FFT181 | Liam Tuohy | 4.40 |
| FFT184 | Ben Elder Jr | 10 |
| FFT223 | S. Sananda | 4 |
| FFT205 | Carsten Jentges | 4 |
| FFT134 | Ian Mann | 2 |
| FFT185 | Alexandre Fazan | 2 |
| FFT177 | Justin McGehee |
| FFT144 | Todd McCuistion |
| FFT155 | Ken Malczynski |
| FFT160 | Ilan Maor |
| FFT152 | James Moore |