Southwest Airlines BWI to LAX on-time performance
Southwest Airlines nonstop flights from Baltimore to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
1.4%
15 flights
Avg arrival delay
18 min
49 min when late
Rank on route
#3 of 3
route average 74% on time
Key facts
- Southwest Airlines flights on BWI to LAX arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (39%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft39%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion19%
- Extreme weather4%
- Security1%
Other airlines on BWI to LAX
- United Airlines84% on time · 13 min avg delay
- Spirit Airlines93% on time · 2 min avg delay
Full BWI to LAX comparison →
Southwest Airlines on-time record across all routes →
1,045 Southwest Airlines flights tracked on this route; 15 cancelled, 1 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.