G4251
G4251 (Allegiant Air) is a multi-stop service on 17 routes, busiest Asheville to Denver. Of 125 departures recorded from October 2024 to July 2026, 75.8% left on time, according to the US BTS.
- On-time departures75.8%of 125 flights
- Average delay16.0 min
- July 20268▼ 38.5%vs July 2025
- Cancelled0.8%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | – | – |
| February | 7 | 5 | ▼ 28.6% |
| March | 9 | 9 | 0.0% |
| April | 2 | 8 | ▲ 300.0% |
| May | 6 | 9 | ▲ 50.0% |
| June | 13 | 5 | ▼ 61.5% |
| July | 13 | 8 | ▼ 38.5% |
| August | 13 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 4 | – | – |
| December | 4 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | – | – |
| February | 71.4% | 100.0% | ▲ 40.0% |
| March | 87.5% | 100.0% | ▲ 14.3% |
| April | 100.0% | 100.0% | 0.0% |
| May | 50.0% | 77.8% | ▲ 55.6% |
| June | 92.3% | 40.0% | ▼ 56.7% |
| July | 92.3% | 37.5% | ▼ 59.4% |
| August | 53.9% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | 50.0% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | 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.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.2% 124
- Cancelled 0.8% 1
Share of all recorded flights in the period, all legs. · Oct 18, 2024 → Jul 27, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AVL DEN Asheville Regional Airport – Denver International Airport | 2,004 | 2.1 min | 92.7% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 1 | 1 | 0.0% | 0 |
| November 2024 | 6 | 6 | 66.7% | 0 |
| December 2024 | 2 | 2 | 50.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 7 | 7 | 71.4% | 0 |
| March 2025 | 9 | 8 | 87.5% | 1 |
| April 2025 | 2 | 2 | 100.0% | 0 |
| May 2025 | 6 | 6 | 50.0% | 0 |
| June 2025 | 13 | 13 | 92.3% | 0 |
| July 2025 | 13 | 13 | 92.3% | 0 |
| August 2025 | 13 | 13 | 53.9% | 0 |
| November 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 4 | 4 | 50.0% | 0 |
| February 2026 | 5 | 5 | 100.0% | 0 |
| March 2026 | 9 | 9 | 100.0% | 0 |
| April 2026 | 8 | 8 | 100.0% | 0 |
| May 2026 | 9 | 9 | 77.8% | 0 |
| June 2026 | 5 | 5 | 40.0% | 0 |
| July 2026 | 8 | 8 | 37.5% | 0 |