F91819
F91819 (Frontier Airlines) flies Denver to Phoenix. Of 342 departures recorded from October 2024 to July 2026, 84.4% left on time, according to the US BTS.
Recorded departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 27 | ▼ 6.9% |
| February | 28 | 28 | 0.0% |
| March | 31 | 19 | ▼ 38.7% |
| April | 30 | 2 | ▼ 93.3% |
| May | 19 | – | – |
| June | – | – | – |
| July | – | 3 | – |
| August | 2 | – | – |
| September | 17 | – | – |
| October | 18 | – | in progress |
| November | 17 | – | – |
| December | 4 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 72.4% | 76.9% | ▲ 6.2% |
| February | 82.1% | 85.7% | ▲ 4.3% |
| March | 87.1% | 68.4% | ▼ 21.4% |
| April | 90.0% | 50.0% | ▼ 44.4% |
| May | 84.2% | – | – |
| June | – | – | – |
| July | – | 100.0% | – |
| August | 100.0% | – | – |
| September | 94.1% | – | – |
| October | 94.4% | – | in progress |
| November | 81.3% | – | – |
| December | 100.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | – | – | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 99.4% 340
- Cancelled 0.6% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 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 | 5.9 min | 84.4% | 342 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 27 | 27 | 85.2% | 0 |
| December 2024 | 21 | 21 | 85.7% | 0 |
| January 2025 | 29 | 29 | 72.4% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 19 | 19 | 84.2% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| September 2025 | 17 | 17 | 94.1% | 0 |
| October 2025 | 18 | 18 | 94.4% | 0 |
| November 2025 | 17 | 16 | 81.3% | 1 |
| December 2025 | 4 | 4 | 100.0% | 0 |
| January 2026 | 27 | 26 | 76.9% | 1 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 19 | 19 | 68.4% | 0 |
| April 2026 | 2 | 2 | 50.0% | 0 |
| July 2026 | 3 | 3 | 100.0% | 0 |