G458
G458 (Allegiant Air) is a multi-stop service on 14 routes, busiest Great Falls to Las Vegas. Of 167 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.
- On-time departures77.8%of 167 flights
- Average delay12.7 min
- July 20269▲ 0.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 7 | 8 | ▲ 14.3% |
| February | 8 | 8 | 0.0% |
| March | 9 | 9 | 0.0% |
| April | 8 | 8 | 0.0% |
| May | 9 | 9 | 0.0% |
| June | 9 | 8 | ▼ 11.1% |
| July | 9 | 9 | 0.0% |
| August | 9 | – | – |
| September | 9 | – | – |
| October | 9 | – | in progress |
| November | 8 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 59 | 59 | 0.0% |
according to the US BTS · October 2024 → July 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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.7% | 75.0% | ▼ 12.5% |
| February | 75.0% | 75.0% | 0.0% |
| March | 44.4% | 77.8% | ▲ 75.0% |
| April | 87.5% | 100.0% | ▲ 14.3% |
| May | 88.9% | 100.0% | ▲ 12.5% |
| June | 88.9% | 75.0% | ▼ 15.6% |
| July | 88.9% | 88.9% | 0.0% |
| August | 100.0% | – | – |
| September | 44.4% | – | – |
| October | 55.6% | – | in progress |
| November | 87.5% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 79.9% | 84.5% | ▲ 5.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 100.0% 167
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 17, 2024 → Jul 30, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GTF LAS Great Falls International Airport – Harry Reid International Airport | 1,305 | -4.2 min | 90.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 66.7% | 0 |
| November 2024 | 6 | 6 | 33.3% | 0 |
| December 2024 | 4 | 4 | 75.0% | 0 |
| January 2025 | 7 | 7 | 85.7% | 0 |
| February 2025 | 8 | 8 | 75.0% | 0 |
| March 2025 | 9 | 9 | 44.4% | 0 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 9 | 9 | 88.9% | 0 |
| July 2025 | 9 | 9 | 88.9% | 0 |
| August 2025 | 9 | 9 | 100.0% | 0 |
| September 2025 | 9 | 9 | 44.4% | 0 |
| October 2025 | 9 | 9 | 55.6% | 0 |
| November 2025 | 8 | 8 | 87.5% | 0 |
| December 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 8 | 8 | 75.0% | 0 |
| February 2026 | 8 | 8 | 75.0% | 0 |
| March 2026 | 9 | 9 | 77.8% | 0 |
| April 2026 | 8 | 8 | 100.0% | 0 |
| May 2026 | 9 | 9 | 100.0% | 0 |
| June 2026 | 8 | 8 | 75.0% | 0 |
| July 2026 | 9 | 9 | 88.9% | 0 |