Southwest Airlines STL to CLT on-time performance
Southwest Airlines nonstop flights from St. Louis to Charlotte · Aug 2025 – Jul 2026
On-time arrivals
74%
arrived < 15 min late
Cancelled
0.4%
1 flights
Avg arrival delay
15 min
52 min when late
Rank on route
#3 of 3
route average 84% on time
Key facts
- Southwest Airlines flights on STL to CLT arrived on time 74% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 5% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was late-arriving aircraft (63%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft63%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion8%
- Security1%
- Extreme weather0%
Other airlines on STL to CLT
- American Airlines85% on time · 16 min avg delay
- PSA Airlines84% on time · 31 min avg delay
Full STL to CLT comparison →
Southwest Airlines on-time record across all routes →
259 Southwest Airlines flights tracked on this route; 1 cancelled, 0 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.