F91820
F91820 (Frontier Airlines) flies Phoenix to Denver. Of 382 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
Recorded departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 16 | 16 | 0.0% |
| February | 22 | 16 | ▼ 27.3% |
| March | 31 | 25 | ▼ 19.4% |
| April | 22 | 19 | ▼ 13.6% |
| May | – | 11 | – |
| June | – | 24 | – |
| July | – | 25 | – |
| August | 7 | – | – |
| September | 21 | – | – |
| October | 18 | – | in progress |
| November | 19 | – | – |
| December | 19 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.5% | 80.0% | ▼ 8.6% |
| February | 90.9% | 93.8% | ▲ 3.1% |
| March | 93.6% | 56.0% | ▼ 40.1% |
| April | 81.8% | 94.7% | ▲ 15.8% |
| May | – | 90.9% | – |
| June | – | 62.5% | – |
| July | – | 60.0% | – |
| August | 42.9% | – | – |
| September | 66.7% | – | – |
| October | 72.2% | – | in progress |
| November | 73.7% | – | – |
| December | 84.2% | – | – |
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 periods16 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 | – | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.7% 381
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 8.6 min | 79.0% | 382 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 26 | 26 | 80.8% | 0 |
| December 2024 | 27 | 27 | 92.6% | 0 |
| January 2025 | 16 | 16 | 87.5% | 0 |
| February 2025 | 22 | 22 | 90.9% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 22 | 22 | 81.8% | 0 |
| August 2025 | 7 | 7 | 42.9% | 0 |
| September 2025 | 21 | 21 | 66.7% | 0 |
| October 2025 | 18 | 18 | 72.2% | 0 |
| November 2025 | 19 | 19 | 73.7% | 0 |
| December 2025 | 19 | 19 | 84.2% | 0 |
| January 2026 | 16 | 15 | 80.0% | 1 |
| February 2026 | 16 | 16 | 93.8% | 0 |
| March 2026 | 25 | 25 | 56.0% | 0 |
| April 2026 | 19 | 19 | 94.7% | 0 |
| May 2026 | 11 | 11 | 90.9% | 0 |
| June 2026 | 24 | 24 | 62.5% | 0 |
| July 2026 | 25 | 25 | 60.0% | 0 |