Southwest Airlines STL to FLL on-time performance
Southwest Airlines nonstop flights from St. Louis to Fort Lauderdale · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.4%
3 flights
Avg arrival delay
15 min
53 min when late
Rank on route
#2 of 3
route average 74% on time
Key facts
- Southwest Airlines flights on STL to FLL arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (55%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion17%
- Extreme weather6%
- Security1%
Other airlines on STL to FLL
- Spirit Airlines70% on time · 23 min avg delay
- Frontier Airlines75% on time · 85 min avg delay
Full STL to FLL comparison →
Southwest Airlines on-time record across all routes →
766 Southwest Airlines flights tracked on this route; 3 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.