Frontier Airlines STL to LAS on-time performance
Frontier Airlines nonstop flights from St. Louis to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
2.6%
8 flights
Avg arrival delay
33 min
137 min when late
Rank on route
#1 of 2
route average 76% on time
Key facts
- Frontier Airlines flights on STL to LAS arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 2.6% were cancelled, and 10% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (49%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)40%
- Air traffic control & airport congestion10%
- Extreme weather0%
- Security0%
Other airlines on STL to LAS
- Southwest Airlines76% on time · 14 min avg delay
Full STL to LAS comparison →
Frontier Airlines on-time record across all routes →
309 Frontier Airlines flights tracked on this route; 8 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.