F91191
F91191 (Frontier Airlines) flies Phoenix to San Francisco. Of 303 departures recorded from November 2024 to July 2026, 65.3% left on time, according to the US BTS.
- On-time departures65.3%of 303 flights
- Average delay17.3 min
- July 202631▲ 47.6%vs July 2025
- Cancelled2.0%
Recorded departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 16 | – |
| February | 10 | 16 | ▲ 60.0% |
| March | 3 | 14 | ▲ 366.7% |
| April | 23 | 15 | ▼ 34.8% |
| May | 24 | 23 | ▼ 4.2% |
| June | 21 | 30 | ▲ 42.9% |
| July | 21 | 31 | ▲ 47.6% |
| August | 20 | – | – |
| September | 16 | – | – |
| October | 4 | – | in progress |
| November | – | – | – |
| December | 12 | – | – |
according to the US BTS · November 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.0% | – |
| February | 80.0% | 75.0% | ▼ 6.3% |
| March | 66.7% | 92.9% | ▲ 39.3% |
| April | 87.0% | 46.7% | ▼ 46.3% |
| May | 73.9% | 30.4% | ▼ 58.8% |
| June | 94.7% | 50.0% | ▼ 47.2% |
| July | 42.9% | 43.3% | ▲ 1.1% |
| August | 80.0% | – | – |
| September | 68.8% | – | – |
| October | 75.0% | – | in progress |
| November | – | – | – |
| December | 72.7% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
according to the US BTS · November 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.0% 297
- Cancelled 2.0% 6
Share of all recorded flights in the period, all legs. · Nov 22, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | 17.3 min | 65.3% | 303 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 3 | 3 | 66.7% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| February 2025 | 10 | 10 | 80.0% | 0 |
| March 2025 | 3 | 3 | 66.7% | 0 |
| April 2025 | 23 | 23 | 87.0% | 0 |
| May 2025 | 24 | 23 | 73.9% | 1 |
| June 2025 | 21 | 19 | 94.7% | 2 |
| July 2025 | 21 | 21 | 42.9% | 0 |
| August 2025 | 20 | 20 | 80.0% | 0 |
| September 2025 | 16 | 16 | 68.8% | 0 |
| October 2025 | 4 | 4 | 75.0% | 0 |
| December 2025 | 12 | 11 | 72.7% | 1 |
| January 2026 | 16 | 15 | 80.0% | 1 |
| February 2026 | 16 | 16 | 75.0% | 0 |
| March 2026 | 14 | 14 | 92.9% | 0 |
| April 2026 | 15 | 15 | 46.7% | 0 |
| May 2026 | 23 | 23 | 30.4% | 0 |
| June 2026 | 30 | 30 | 50.0% | 0 |
| July 2026 | 31 | 30 | 43.3% | 1 |