F91375
F91375 (Frontier Airlines) flies Denver to Phoenix. Of 481 departures recorded from October 2024 to June 2026, 88.5% left on time, according to the US BTS.
according to the US BTS · Oct 12, 2024 → Jun 8, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 13 | 19 | ▲ 46.2% |
| February | 17 | 25 | ▲ 47.1% |
| March | 23 | 24 | ▲ 4.3% |
| April | 22 | 19 | ▼ 13.6% |
| May | 25 | 24 | ▼ 4.0% |
| June | 25 | 6 | ▼ 76.0% |
| July | 29 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jun) | 125 | 117 | ▼ 6.4% |
according to the US BTS · October 2024 → June 2026
On-time departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 61.5% | 83.3% | ▲ 35.4% |
| February | 94.1% | 95.8% | ▲ 1.8% |
| March | 95.7% | 79.2% | ▼ 17.2% |
| April | 90.9% | 94.7% | ▲ 4.2% |
| May | 87.5% | 91.7% | ▲ 4.8% |
| June | 84.0% | 50.0% | ▼ 40.5% |
| July | 93.1% | – | – |
| August | 83.9% | – | – |
| September | 90.0% | – | – |
| October | 87.1% | – | in progress |
| November | 82.8% | – | – |
| December | 92.0% | – | – |
| Year-to-date average (Jan–Jun) | 85.6% | 82.5% | ▼ 3.7% |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Partial coverage: domestic flights only · 21 of 21 periods have data
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jun) | 1 | 2 | ▲ 100.0% |
according to the US BTS · October 2024 → June 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 99.2% 477
- Cancelled 0.8% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 8, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN PHX Denver International Airport – Phoenix Sky Harbor International Airport | 968 | 4.8 min | 88.5% | 481 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 100.0% | 0 |
| November 2024 | 23 | 23 | 87.0% | 0 |
| December 2024 | 25 | 25 | 100.0% | 0 |
| January 2025 | 13 | 13 | 61.5% | 0 |
| February 2025 | 17 | 17 | 94.1% | 0 |
| March 2025 | 23 | 23 | 95.7% | 0 |
| April 2025 | 22 | 22 | 90.9% | 0 |
| May 2025 | 25 | 24 | 87.5% | 1 |
| June 2025 | 25 | 25 | 84.0% | 0 |
| July 2025 | 29 | 29 | 93.1% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 25 | 25 | 92.0% | 0 |
| January 2026 | 19 | 18 | 83.3% | 1 |
| February 2026 | 25 | 24 | 95.8% | 1 |
| March 2026 | 24 | 24 | 79.2% | 0 |
| April 2026 | 19 | 19 | 94.7% | 0 |
| May 2026 | 24 | 24 | 91.7% | 0 |
| June 2026 | 6 | 6 | 50.0% | 0 |