Southwest Airlines BWI to LAS on-time performance
Southwest Airlines nonstop flights from Baltimore to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.9%
14 flights
Avg arrival delay
13 min
53 min when late
Rank on route
#2 of 2
route average 80% on time
Key facts
- Southwest Airlines flights on BWI to LAS arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft35%
- Air traffic control & airport congestion21%
- Extreme weather5%
- Security2%
Other airlines on BWI to LAS
- Spirit Airlines89% on time · 7 min avg delay
Full BWI to LAS comparison →
Southwest Airlines on-time record across all routes →
1,638 Southwest Airlines flights tracked on this route; 14 cancelled, 7 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.