Frontier Airlines FLL to STL on-time performance
Frontier Airlines nonstop flights from Fort Lauderdale to St. Louis · Aug 2025 – Jul 2026
On-time arrivals
50%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
42 min
84 min when late
Rank on route
#3 of 3
route average 77% on time
Key facts
- Frontier Airlines flights on FLL to STL arrived on time 50% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 25% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (81%).
On-time trend by month
Monthly trend appears once two or more months of data are available.
Why this airline's flights were late
- Late-arriving aircraft81%
- Air traffic control & airport congestion13%
- Airline (crew, maintenance, cleaning, fueling)6%
- Extreme weather0%
- Security0%
Other airlines on FLL to STL
- Southwest Airlines78% on time · 12 min avg delay
- Spirit Airlines74% on time · 13 min avg delay
Full FLL to STL 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.