Boise (BOI) to Las Vegas (LAS) flights
Southwest Airlines, Horizon Air fly nonstop from Boise Air Terminal/Gowen Field to Harry Reid International Airport, with about 27 flights a week in July 2026. The 519-mile flight takes about 1h 45m gate to gate.
- Distance
- 519 mi · 835 km
- Flight time
- 1h 45m
- Airlines
- 2
- Seats filled
- 78%
Airlines flying BOI to LAS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 20 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 141,190 | 1h 42m |
| Horizon Air | 7 | Embraer E175 | 4,986 | 1h 51m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 11,057 | 1h 59m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 8 | 5,191 | 1h 45m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 3,769 | 1h 47m |
| Allegiant AirSeasonal or ended | n/a | Airbus A319, Airbus A320-100/200 | 1,578 | 1h 50m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to LAS flight schedule
9 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:00am and the last at 4:15pm. 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 943Southwest Airlines | 6:00am | 6:45am | 20 | 100% |
| WN 702Southwest Airlines | 7:45am | 8:30am | 9 | 88% |
| WN 1372Southwest Airlines | 10:25am | 11:20am | 12 | 92% |
| WN 681Southwest Airlines | 11:30am | 12:20pm | 4 | n/a |
| AS 3121Alaska Airlines · operated by SkyWest Airlines | 1:30pm | 2:31pm | 13 | 69% |
| WN 4908Southwest Airlines | 2:20pm | 3:10pm | 8 | n/a |
| WN 921Southwest Airlines | 3:10pm | 4:00pm | 8 | n/a |
| WN 1578Southwest Airlines | 3:50pm | 4:45pm | 12 | 58% |
| AS 2087Alaska Airlines · operated by Horizon Air | 4:15pm | 5:12pm | 18 | 77% |
Is BOI to LAS on time?
From September 2025 to August 2026, 81% of 1,440 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 6am were the most punctual (97%), those around 7pm the least (59%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,052 | 82% | 12 min | 0.3% |
| Alaska Airlines | 350 | 84% | 12 min | 1.4% |
| Spirit Airlines | 24 | 63% | 22 min | 0% |
| Allegiant Air | 14 | 50% | 83 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 |
|---|---|---|---|
| 5am to 6am | 52 | 100% | |
| 6am to 7am | 299 | 97% | |
| 7am to 8am | 48 | 96% | |
| 8am to 9am | 58 | 97% | |
| 9am to 10am | 31 | 87% | |
| 11am to 12pm | 137 | 80% | |
| 12pm to 1pm | 77 | 79% | |
| 1pm to 2pm | 107 | 73% | |
| 2pm to 3pm | 114 | 75% | |
| 3pm to 4pm | 77 | 84% | |
| 4pm to 5pm | 84 | 76% | |
| 5pm to 6pm | 91 | 74% | |
| 6pm to 7pm | 54 | 63% | |
| 7pm to 8pm | 87 | 59% | |
| 8pm to 9pm | 73 | 67% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 120 | 13,691 | |
| September 2025 | 116 | 13,642 | |
| October 2025 | 121 | 13,962 | |
| November 2025 | 123 | 13,597 | |
| December 2025 | 137 | 15,934 | |
| January 2026 | 121 | 13,304 | |
| February 2026 | 109 | 12,976 | |
| March 2026 | 124 | 14,360 | |
| April 2026 | 120 | 13,993 | |
| May 2026 | 123 | 15,066 | |
| June 2026 | 115 | 13,369 | |
| July 2026 | 118 | 13,877 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.