F91247
F91247 (Frontier Airlines) flies Grand Rapids to Denver. Of 212 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 212 flights
- Average delay11.9 min
- July 202622▲ 29.4%vs July 2025
- Cancelled0.9%
Recorded departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 3 | 0.0% |
| February | – | – | – |
| March | – | – | – |
| April | – | 10 | – |
| May | 12 | 13 | ▲ 8.3% |
| June | 17 | 20 | ▲ 17.6% |
| July | 17 | 22 | ▲ 29.4% |
| August | 18 | – | – |
| September | 12 | – | – |
| October | 14 | – | in progress |
| November | 6 | – | – |
| December | 7 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 33.3% | 100.0% | ▲ 200.0% |
| February | – | – | – |
| March | – | – | – |
| April | – | 90.0% | – |
| May | 45.5% | 84.6% | ▲ 86.2% |
| June | 64.7% | 85.0% | ▲ 31.4% |
| July | 52.9% | 81.8% | ▲ 54.6% |
| August | 88.9% | – | – |
| September | 75.0% | – | – |
| October | 71.4% | – | in progress |
| November | 83.3% | – | – |
| December | 71.4% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 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 99.1% 210
- Cancelled 0.9% 2
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 |
|---|---|---|---|---|
| GRR DEN Gerald R. Ford International Airport – Denver International Airport | 1,629 | 11.9 min | 75.2% | 212 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 17 | 16 | 75.0% | 1 |
| December 2024 | 8 | 8 | 75.0% | 0 |
| January 2025 | 3 | 3 | 33.3% | 0 |
| May 2025 | 12 | 11 | 45.5% | 1 |
| June 2025 | 17 | 17 | 64.7% | 0 |
| July 2025 | 17 | 17 | 52.9% | 0 |
| August 2025 | 18 | 18 | 88.9% | 0 |
| September 2025 | 12 | 12 | 75.0% | 0 |
| October 2025 | 14 | 14 | 71.4% | 0 |
| November 2025 | 6 | 6 | 83.3% | 0 |
| December 2025 | 7 | 7 | 71.4% | 0 |
| January 2026 | 3 | 3 | 100.0% | 0 |
| April 2026 | 10 | 10 | 90.0% | 0 |
| May 2026 | 13 | 13 | 84.6% | 0 |
| June 2026 | 20 | 20 | 85.0% | 0 |
| July 2026 | 22 | 22 | 81.8% | 0 |