Frontier Airlines STL to FLL on-time performance
Frontier Airlines nonstop flights from St. Louis to Fort Lauderdale · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
85 min
341 min when late
Rank on route
#1 of 3
route average 74% on time
Key facts
- Frontier Airlines flights on STL to FLL arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 25% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (62%).
On-time trend by month
Monthly trend appears once two or more months of data are available.
Why this airline's flights were late
- Air traffic control & airport congestion62%
- Late-arriving aircraft38%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
Other airlines on STL to FLL
- Southwest Airlines75% on time · 15 min avg delay
- Spirit Airlines70% on time · 23 min avg delay
Full STL to FLL comparison →
Frontier Airlines on-time record across all routes →
4 Frontier Airlines flights tracked on this route; 0 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.