F91559
F91559 (Frontier Airlines) flies Madison to Denver. Of 64 departures recorded from October 2024 to January 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 64 flights
- Average delay7.0 min
- January 20261▼ 50.0%vs January 2025
- Cancelled1.6%
Recorded departures by month
Short series — F91559 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 1 | ▼ 50.0% |
| February | – | – | – |
| March | 8 | – | – |
| April | 6 | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 1 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jan) | 2 | 1 | ▼ 50.0% |
according to the US BTS · October 2024 → January 2026
On-time departures by month
Short series — F91559 has only 9 months so far. Enough to show the level now, not enough to read a trend.
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 periods6 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | – | – | – |
| March | 75.0% | – | – |
| April | 66.7% | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 0.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jan) | 100.0% | 100.0% | 0.0% |
according to the US BTS · October 2024 → January 2026
Average departure delay by month
Short series — F91559 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → January 2026
Cancelled departures by month
Short series — F91559 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jan) | 0 | 0 |
according to the US BTS · October 2024 → January 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.4% 63
- Cancelled 1.6% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jan 4, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSN DEN Dane County Regional Truax Field – Denver International Airport | 1,326 | 7.0 min | 81.0% | 64 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 19 | 84.2% | 1 |
| November 2024 | 15 | 15 | 86.7% | 0 |
| December 2024 | 9 | 9 | 77.8% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 8 | 8 | 75.0% | 0 |
| April 2025 | 6 | 6 | 66.7% | 0 |
| August 2025 | 1 | 1 | 0.0% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |