Frontier Airlines DFW to STL on-time performance
Frontier Airlines nonstop flights from Dallas/Fort Worth to St. Louis · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
10 min
66 min when late
Rank on route
#2 of 5
route average 68% on time
Key facts
- Frontier Airlines flights on DFW to STL arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 68% on time overall.
- The largest source of delay minutes was late-arriving aircraft (82%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft82%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion1%
- Extreme weather0%
- Security0%
Other airlines on DFW to STL
- American Airlines65% on time · 31 min avg delay
- Envoy Air89% on time · 6 min avg delay
- PSA Airlines71% on time · 17 min avg delay
- SkyWest Airlines66% on time · 22 min avg delay
Full DFW to STL comparison →
Frontier Airlines on-time record across all routes →
95 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.