Southwest Airlines BWI to CHS on-time performance
Southwest Airlines nonstop flights from Baltimore to Charleston · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
1.6%
20 flights
Avg arrival delay
12 min
54 min when late
Rank on route
#2 of 2
route average 80% on time
Key facts
- Southwest Airlines flights on BWI to CHS arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 1.6% 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 late-arriving aircraft (48%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion12%
- Extreme weather6%
- Security0%
Other airlines on BWI to CHS
- Spirit Airlines100% on time · 1 min avg delay
Full BWI to CHS comparison →
Southwest Airlines on-time record across all routes →
1,230 Southwest Airlines flights tracked on this route; 20 cancelled, 2 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.