F91829
F91829 (Frontier Airlines) flies Chicago to Phoenix. Of 237 departures recorded from October 2024 to May 2026, 74.1% left on time, according to the US BTS.
according to the US BTS · Oct 13, 2024 → May 4, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 20 of 20 periods have data
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 16 | ▲ 433.3% |
| February | 2 | 24 | ▲ 1,100.0% |
| March | 16 | 31 | ▲ 93.8% |
| April | 17 | 19 | ▲ 11.8% |
| May | 12 | 4 | ▼ 66.7% |
| June | 9 | – | – |
| July | 8 | – | – |
| August | 13 | – | – |
| September | 17 | – | – |
| October | 18 | – | in progress |
| November | 14 | – | – |
| December | 6 | – | – |
| Year to date (Jan–May) | 50 | 94 | ▲ 88.0% |
according to the US BTS · October 2024 → May 2026
On-time departures by month
Partial coverage: domestic flights only · 20 of 20 periods have data
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 | 100.0% | 60.0% | ▼ 40.0% |
| February | 100.0% | 83.3% | ▼ 16.7% |
| March | 66.7% | 79.3% | ▲ 19.0% |
| April | 70.6% | 79.0% | ▲ 11.8% |
| May | 83.3% | 100.0% | ▲ 20.0% |
| June | 77.8% | – | – |
| July | 37.5% | – | – |
| August | 58.3% | – | – |
| September | 75.0% | – | – |
| October | 76.5% | – | in progress |
| November | 66.7% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–May) | 84.1% | 80.3% | ▼ 4.5% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Partial coverage: domestic flights only · 20 of 20 periods have data
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Partial coverage: domestic flights only · 20 of 20 periods have data
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 1 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–May) | 1 | 3 | ▲ 200.0% |
according to the US BTS · October 2024 → May 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 96.2% 228
- Cancelled 3.8% 9
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 4, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD PHX Chicago O'Hare International Airport – Phoenix Sky Harbor International Airport | 2,313 | 21.8 min | 74.1% | 237 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 66.7% | 0 |
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 3 | 3 | 100.0% | 0 |
| January 2025 | 3 | 3 | 100.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 16 | 15 | 66.7% | 1 |
| April 2025 | 17 | 17 | 70.6% | 0 |
| May 2025 | 12 | 12 | 83.3% | 0 |
| June 2025 | 9 | 9 | 77.8% | 0 |
| July 2025 | 8 | 8 | 37.5% | 0 |
| August 2025 | 13 | 12 | 58.3% | 1 |
| September 2025 | 17 | 16 | 75.0% | 1 |
| October 2025 | 18 | 17 | 76.5% | 1 |
| November 2025 | 14 | 12 | 66.7% | 2 |
| December 2025 | 6 | 6 | 66.7% | 0 |
| January 2026 | 16 | 15 | 60.0% | 1 |
| February 2026 | 24 | 24 | 83.3% | 0 |
| March 2026 | 31 | 29 | 79.3% | 2 |
| April 2026 | 19 | 19 | 79.0% | 0 |
| May 2026 | 4 | 4 | 100.0% | 0 |