Southwest Airlines CHS to BWI on-time performance
Southwest Airlines nonstop flights from Charleston to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
1.5%
19 flights
Avg arrival delay
10 min
51 min when late
Rank on route
#1 of 2
route average 82% on time
Key facts
- Southwest Airlines flights on CHS to BWI arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion19%
- Extreme weather1%
- Security0%
Other airlines on CHS to BWI
- Spirit Airlines50% on time · 33 min avg delay
Full CHS to BWI comparison →
Southwest Airlines on-time record across all routes →
1,229 Southwest Airlines flights tracked on this route; 19 cancelled, 6 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.