Great Falls (GTF) to Las Vegas (LAS) flights
Allegiant Air flies nonstop from Great Falls International Airport to Harry Reid International Airport, with about 2 flights a week in July 2026. The 810-mile flight takes about 2h 12m gate to gate.
- Distance
- 810 mi · 1,304 km
- Flight time
- 2h 12m
- Airlines
- 1
- Seats filled
- 78%
Airlines flying GTF to LAS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Allegiant Air | 2 | Airbus A319, Airbus A320-100/200 | 13,544 | 2h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
GTF to LAS flight schedule
1 flight numbers flew this route in August 2026. The first usually leaves at 10:19am and the last at 10:19am. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| G4 1702Allegiant Air | 10:19am | 11:34am | 5 | 86% |
Is GTF to LAS on time?
From September 2025 to August 2026, 87% of 107 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 10am were the most punctual (91%), those around 10pm the least (80%). Most delay time was caused by late-arriving aircraft (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Allegiant Air | 107 | 87% | 7 min | 0.9% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 10am to 11am | 44 | 91% | |
| 11am to 12pm | 18 | 89% | |
| 5pm to 6pm | 10 | 90% | |
| 10pm to 11pm | 26 | 80% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 9 | 1,166 | |
| September 2025 | 9 | 947 | |
| October 2025 | 9 | 991 | |
| November 2025 | 8 | 830 | |
| December 2025 | 14 | 1,681 | |
| January 2026 | 9 | 1,068 | |
| February 2026 | 8 | 973 | |
| March 2026 | 9 | 1,268 | |
| April 2026 | 8 | 960 | |
| May 2026 | 9 | 1,193 | |
| June 2026 | 9 | 1,193 | |
| July 2026 | 9 | 1,274 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.