Southwest Airlines SJU to BWI on-time performance
Southwest Airlines nonstop flights from San Juan to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
1.0%
8 flights
Avg arrival delay
10 min
48 min when late
Rank on route
#1 of 3
route average 79% on time
Key facts
- Southwest Airlines flights on SJU to BWI arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (50%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion16%
- Security0%
- Extreme weather0%
Other airlines on SJU to BWI
- Spirit Airlines74% on time · 31 min avg delay
- Frontier Airlines74% on time · 15 min avg delay
Full SJU to BWI comparison →
Southwest Airlines on-time record across all routes →
818 Southwest Airlines flights tracked on this route; 8 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.