Des Moines (DSM) to Las Vegas (LAS) flights
Southwest Airlines, Allegiant Air fly nonstop from Des Moines International Airport to Harry Reid International Airport, with about 12 flights a week in July 2026. The 1,216-mile flight takes about 3h 6m gate to gate.
- Distance
- 1,216 mi · 1,957 km
- Flight time
- 3h 6m
- Airlines
- 2
- Seats filled
- 85%
Airlines flying DSM to LAS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 49,099 | 3h 4m |
| Allegiant Air | 5 | Airbus A320-100/200, Airbus A319 | 35,298 | 3h 10m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DSM to LAS flight schedule
4 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 12:05pm and the last at 9:50pm. 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) |
|---|---|---|---|---|
| WN 3086Southwest Airlines | 12:05pm | 1:10pm | 24 | 71% |
| WN 1731Southwest Airlines | 12:10pm | 1:15pm | 4 | n/a |
| G4 1708Allegiant Air | 9:44pm | 10:56pm | 10 | 68% |
| G4 1625Allegiant Air | 9:50pm | 10:59pm | 4 | n/a |
Is DSM to LAS on time?
From September 2025 to August 2026, 79% of 595 flights arrived within 15 minutes of schedule and 0.2% were cancelled. Flights leaving around 11am were the most punctual (93%), those around 9pm the least (68%). Most delay time was caused by late-arriving aircraft (40%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 365 | 83% | 11 min | 0.3% |
| Allegiant Air | 230 | 72% | 34 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 |
|---|---|---|---|
| 7am to 8am | 20 | 90% | |
| 8am to 9am | 30 | 70% | |
| 11am to 12pm | 71 | 93% | |
| 12pm to 1pm | 236 | 84% | |
| 1pm to 2pm | 44 | 75% | |
| 2pm to 3pm | 21 | 95% | |
| 3pm to 4pm | 72 | 73% | |
| 8pm to 9pm | 25 | 42% | |
| 9pm to 10pm | 37 | 68% | |
| 10pm to 11pm | 19 | 58% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 51 | 7,237 | |
| September 2025 | 46 | 6,589 | |
| October 2025 | 53 | 8,164 | |
| November 2025 | 47 | 6,926 | |
| December 2025 | 50 | 7,617 | |
| January 2026 | 48 | 6,472 | |
| February 2026 | 44 | 6,180 | |
| March 2026 | 52 | 6,846 | |
| April 2026 | 47 | 5,907 | |
| May 2026 | 51 | 7,025 | |
| June 2026 | 51 | 7,419 | |
| July 2026 | 54 | 8,015 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.