SkyWest Airlines STL to DEN on-time performance
SkyWest Airlines nonstop flights from St. Louis to Denver · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
91%
arrived < 15 min late
Cancelled
0.9%
1 flights
Avg arrival delay
7 min
68 min when late
Rank on route
#1 of 4
route average 76% on time
Key facts
- SkyWest Airlines flights on STL to DEN arrived on time 91% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (100%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)100%
- Late-arriving aircraft0%
- Air traffic control & airport congestion0%
- Extreme weather0%
- Security0%
Other airlines on STL to DEN
- Southwest Airlines73% on time · 17 min avg delay
- United Airlines78% on time · 19 min avg delay
- Frontier Airlines76% on time · 20 min avg delay
Full STL to DEN comparison →
SkyWest Airlines on-time record across all routes →
111 SkyWest Airlines flights tracked on this route; 1 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.