Southwest Airlines STL to MCO on-time performance
Southwest Airlines nonstop flights from St. Louis to Orlando · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.6%
12 flights
Avg arrival delay
14 min
60 min when late
Rank on route
#1 of 3
route average 78% on time
Key facts
- Southwest Airlines flights on STL to MCO arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (45%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft45%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion23%
- Extreme weather2%
- Security0%
Other airlines on STL to MCO
- Frontier Airlines72% on time · 22 min avg delay
- Spirit Airlines67% on time · 8 min avg delay
Full STL to MCO comparison →
Southwest Airlines on-time record across all routes →
2,122 Southwest Airlines flights tracked on this route; 12 cancelled, 10 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.