Southwest Airlines LAS to BOI on-time performance
Southwest Airlines nonstop flights from Las Vegas to Boise · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
15 min
46 min when late
Rank on route
#3 of 5
route average 73% on time
Key facts
- Southwest Airlines flights on LAS to BOI arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 0.1% were cancelled, and 7% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (62%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft62%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion5%
- Extreme weather0%
- Security0%
Other airlines on LAS to BOI
- SkyWest Airlines75% on time · 20 min avg delay
- Alaska Airlines86% on time · 15 min avg delay
- Spirit Airlines64% on time · 32 min avg delay
- Allegiant Air71% on time · 24 min avg delay
Full LAS to BOI comparison →
Southwest Airlines on-time record across all routes →
1,050 Southwest Airlines flights tracked on this route; 1 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.