Frontier Airlines LAS to STL on-time performance
Frontier Airlines nonstop flights from Las Vegas to St. Louis · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
1.9%
6 flights
Avg arrival delay
13 min
77 min when late
Rank on route
#1 of 2
route average 79% on time
Key facts
- Frontier Airlines flights on LAS to STL arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 1.9% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)45%
- Late-arriving aircraft44%
- Air traffic control & airport congestion10%
- Extreme weather1%
- Security0%
Other airlines on LAS to STL
- Southwest Airlines78% on time · 13 min avg delay
Full LAS to STL comparison →
Frontier Airlines on-time record across all routes →
309 Frontier Airlines flights tracked on this route; 6 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.