Sioux Falls (FSD) to Las Vegas (LAS) flights
Allegiant Air flies nonstop from Sioux Falls Regional Airport to Harry Reid International Airport, with about 3 flights a week in July 2026. The 1,104-mile flight takes about 2h 55m gate to gate.
- Distance
- 1,104 mi · 1,777 km
- Flight time
- 2h 55m
- Airlines
- 1
- Seats filled
- 88%
Airlines flying FSD to LAS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Allegiant Air | 3 | Airbus A319, Airbus A320-100/200 | 24,175 | 2h 55m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
FSD to LAS flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 11:42am and the last at 10:00pm. 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 124Allegiant Air | 11:42am | 12:38pm | 4 | n/a |
| G4 57Allegiant Air | 10:00pm | 10:53pm | 4 | n/a |
Is FSD to LAS on time?
From September 2025 to August 2026, 82% of 176 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 9pm were the most punctual (100%), those around 8pm the least (57%). Most delay time was caused by late-arriving aircraft (74%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Allegiant Air | 176 | 82% | 18 min | 0.6% |
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 |
|---|---|---|---|
| 11am to 12pm | 62 | 87% | |
| 12pm to 1pm | 29 | 83% | |
| 1pm to 2pm | 13 | 77% | |
| 3pm to 4pm | 29 | 79% | |
| 8pm to 9pm | 14 | 57% | |
| 9pm to 10pm | 10 | 100% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 9 | 1,288 | |
| September 2025 | 9 | 1,333 | |
| October 2025 | 18 | 2,475 | |
| November 2025 | 16 | 2,194 | |
| December 2025 | 22 | 2,906 | |
| January 2026 | 17 | 2,330 | |
| February 2026 | 11 | 1,480 | |
| March 2026 | 17 | 2,544 | |
| April 2026 | 14 | 1,926 | |
| May 2026 | 13 | 1,835 | |
| June 2026 | 13 | 1,829 | |
| July 2026 | 14 | 2,035 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.