G4644
G4644 (Allegiant Air) is a multi-stop service on 9 routes, busiest Billings to Mesa. Of 187 departures recorded from October 2024 to July 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 187 flights
- Average delay7.5 min
- July 202612▼ 14.3%vs July 2025
- Cancelled0.5%
- Legs flown under this number9
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 | 7 | 0.0% |
| February | 6 | 7 | ▲ 16.7% |
| March | 9 | 7 | ▼ 22.2% |
| April | 8 | 8 | 0.0% |
| May | 11 | 10 | ▼ 9.1% |
| June | 13 | 9 | ▼ 30.8% |
| July | 14 | 12 | ▼ 14.3% |
| August | 9 | – | – |
| September | 9 | – | – |
| October | 9 | – | in progress |
| November | 7 | – | – |
| December | 9 | – | – |
| Year to date (Jan–Jul) | 68 | 60 | ▼ 11.8% |
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 | 100.0% | 71.4% | ▼ 28.6% |
| February | 66.7% | 100.0% | ▲ 50.0% |
| March | 100.0% | 71.4% | ▼ 28.6% |
| April | 100.0% | 75.0% | ▼ 25.0% |
| May | 81.8% | 100.0% | ▲ 22.2% |
| June | 92.3% | 77.8% | ▼ 15.7% |
| July | 78.6% | 75.0% | ▼ 4.5% |
| August | 100.0% | – | – |
| September | 55.6% | – | – |
| October | 88.9% | – | in progress |
| November | 85.7% | – | – |
| December | 62.5% | – | – |
| Year-to-date average (Jan–Jul) | 88.5% | 81.5% | ▼ 7.9% |
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 | 1 | – | – |
| 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 99.5% 186
- Cancelled 0.5% 1
Share of all recorded flights in the period, all legs. · Oct 18, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BIL AZA Billings Logan International Airport – Mesa Gateway Airport | 1,415 | 1.2 min | 86.4% | 44 |
| BOI AZA Boise Air Terminal/Gowen Field – Mesa Gateway Airport | 1,207 | 6.5 min | 75.0% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 2 | 2 | 100.0% | 0 |
| November 2024 | 7 | 7 | 85.7% | 0 |
| December 2024 | 7 | 7 | 71.4% | 0 |
| January 2025 | 7 | 7 | 100.0% | 0 |
| February 2025 | 6 | 6 | 66.7% | 0 |
| March 2025 | 9 | 9 | 100.0% | 0 |
| April 2025 | 8 | 8 | 100.0% | 0 |
| May 2025 | 11 | 11 | 81.8% | 0 |
| June 2025 | 13 | 13 | 92.3% | 0 |
| July 2025 | 14 | 14 | 78.6% | 0 |
| August 2025 | 9 | 9 | 100.0% | 0 |
| September 2025 | 9 | 9 | 55.6% | 0 |
| October 2025 | 9 | 9 | 88.9% | 0 |
| November 2025 | 7 | 7 | 85.7% | 0 |
| December 2025 | 9 | 8 | 62.5% | 1 |
| January 2026 | 7 | 7 | 71.4% | 0 |
| February 2026 | 7 | 7 | 100.0% | 0 |
| March 2026 | 7 | 7 | 71.4% | 0 |
| April 2026 | 8 | 8 | 75.0% | 0 |
| May 2026 | 10 | 10 | 100.0% | 0 |
| June 2026 | 9 | 9 | 77.8% | 0 |
| July 2026 | 12 | 12 | 75.0% | 0 |