Southwest Airlines BOI to LAS on-time performance
Southwest Airlines nonstop flights from Boise to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.3%
3 flights
Avg arrival delay
11 min
54 min when late
Rank on route
#3 of 5
route average 81% on time
Key facts
- Southwest Airlines flights on BOI to LAS arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (52%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion22%
- Extreme weather4%
- Security0%
Other airlines on BOI to LAS
- SkyWest Airlines82% on time · 10 min avg delay
- Alaska Airlines92% on time · 7 min avg delay
- Spirit Airlines62% on time · 28 min avg delay
- Allegiant Air50% on time · 83 min avg delay
Full BOI to LAS comparison →
Southwest Airlines on-time record across all routes →
1,051 Southwest Airlines flights tracked on this route; 3 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.