Las Vegas (LAS) to Idaho Falls (IDA) flights
Allegiant Air flies nonstop from Harry Reid International Airport to Idaho Falls Regional Airport, with about 2 flights a week in July 2026. The 539-mile flight takes about 1h 48m gate to gate.
- Distance
- 539 mi · 867 km
- Flight time
- 1h 48m
- Airlines
- 1
- Seats filled
- 76%
Airlines flying LAS to IDA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Allegiant Air | 2 | Airbus A319, Airbus A320-100/200 | 13,569 | 1h 48m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LAS to IDA flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 8:00am and the last at 1:17pm. 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 70Allegiant Air | 8:00am | 10:47am | 4 | n/a |
| G4 14Allegiant Air | 1:17pm | 4:05pm | 5 | 50% |
Is LAS to IDA on time?
From September 2025 to August 2026, 75% of 113 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 11am were the most punctual (100%), those around 1pm the least (58%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Allegiant Air | 113 | 75% | 17 min | 0% |
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 | 12 | 75% | |
| 11am to 12pm | 14 | 100% | |
| 12pm to 1pm | 34 | 88% | |
| 1pm to 2pm | 43 | 58% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 9 | 1,026 | |
| September 2025 | 9 | 960 | |
| October 2025 | 9 | 1,037 | |
| November 2025 | 10 | 1,167 | |
| December 2025 | 15 | 1,587 | |
| January 2026 | 9 | 1,055 | |
| February 2026 | 8 | 945 | |
| March 2026 | 9 | 1,218 | |
| April 2026 | 8 | 1,008 | |
| May 2026 | 9 | 1,078 | |
| June 2026 | 9 | 1,230 | |
| July 2026 | 9 | 1,258 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.