F91828
F91828 (Frontier Airlines) is a multi-stop service on 2 routes, busiest Phoenix to Chicago. Of 289 departures recorded from October 2024 to May 2026, 69.9% left on time, according to the US BTS.
- On-time departures69.9%of 289 flights
- Average delay30.9 min
- May 20264▼ 66.7%vs May 2025
- Cancelled3.5%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 7 | 12 | ▲ 71.4% |
| February | 10 | 20 | ▲ 100.0% |
| March | 26 | 31 | ▲ 19.2% |
| April | 21 | 21 | 0.0% |
| May | 12 | 4 | ▼ 66.7% |
| June | 9 | – | – |
| July | 9 | – | – |
| August | 11 | – | – |
| September | 17 | – | – |
| October | 18 | – | in progress |
| November | 13 | – | – |
| December | 16 | – | – |
| Year to date (Jan–May) | 76 | 88 | ▲ 15.8% |
according to the US BTS · October 2024 → May 2026
On-time departures by month
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 | 85.7% | 81.8% | ▼ 4.5% |
| February | 80.0% | 85.0% | ▲ 6.3% |
| March | 36.0% | 75.9% | ▲ 110.7% |
| April | 66.7% | 76.2% | ▲ 14.3% |
| May | 75.0% | 100.0% | ▲ 33.3% |
| June | 25.0% | – | – |
| July | 25.0% | – | – |
| August | 54.6% | – | – |
| September | 68.8% | – | – |
| October | 82.4% | – | in progress |
| November | 72.7% | – | – |
| December | 75.0% | – | – |
| Year-to-date average (Jan–May) | 68.7% | 83.8% | ▲ 22.0% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
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 | 1 | – | – |
| July | 1 | – | – |
| August | 0 | – | – |
| 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 a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 96.5% 279
- Cancelled 3.5% 10
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 |
|---|---|---|---|---|
| PHX ORD Phoenix Sky Harbor International Airport – Chicago O'Hare International Airport | 2,313 | 30.9 min | 69.9% | 288 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 72.7% | 0 |
| November 2024 | 11 | 11 | 81.8% | 0 |
| December 2024 | 10 | 10 | 90.0% | 0 |
| January 2025 | 7 | 7 | 85.7% | 0 |
| February 2025 | 10 | 10 | 80.0% | 0 |
| March 2025 | 26 | 25 | 36.0% | 1 |
| April 2025 | 21 | 21 | 66.7% | 0 |
| May 2025 | 12 | 12 | 75.0% | 0 |
| June 2025 | 9 | 8 | 25.0% | 1 |
| July 2025 | 9 | 8 | 25.0% | 1 |
| August 2025 | 11 | 11 | 54.6% | 0 |
| September 2025 | 17 | 16 | 68.8% | 1 |
| October 2025 | 18 | 17 | 82.4% | 1 |
| November 2025 | 13 | 11 | 72.7% | 2 |
| December 2025 | 16 | 16 | 75.0% | 0 |
| January 2026 | 12 | 11 | 81.8% | 1 |
| February 2026 | 20 | 20 | 85.0% | 0 |
| March 2026 | 31 | 29 | 75.9% | 2 |
| April 2026 | 21 | 21 | 76.2% | 0 |
| May 2026 | 4 | 4 | 100.0% | 0 |