Frontier Airlines STL to DFW on-time performance
Frontier Airlines nonstop flights from St. Louis to Dallas/Fort Worth · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
2.1%
2 flights
Avg arrival delay
42 min
141 min when late
Rank on route
#3 of 5
route average 75% on time
Key facts
- Frontier Airlines flights on STL to DFW arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 2.1% were cancelled, and 11% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (45%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion45%
- Extreme weather27%
- Late-arriving aircraft22%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
Other airlines on STL to DFW
- American Airlines75% on time · 30 min avg delay
- Envoy Air83% on time · 14 min avg delay
- PSA Airlines63% on time · 43 min avg delay
- SkyWest Airlines68% on time · 30 min avg delay
Full STL to DFW comparison →
Frontier Airlines on-time record across all routes →
95 Frontier Airlines flights tracked on this route; 2 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.