SkyWest Airlines DEN to STL on-time performance
SkyWest Airlines nonstop flights from Denver to St. Louis · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
82%
arrived < 15 min late
Cancelled
0.9%
1 flights
Avg arrival delay
8 min
40 min when late
Rank on route
#2 of 4
route average 78% on time
Key facts
- SkyWest Airlines flights on DEN to STL arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (40%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion40%
- Extreme weather24%
- Airline (crew, maintenance, cleaning, fueling)19%
- Late-arriving aircraft16%
- Security0%
Other airlines on DEN to STL
- Southwest Airlines77% on time · 15 min avg delay
- United Airlines79% on time · 14 min avg delay
- Frontier Airlines84% on time · 9 min avg delay
Full DEN to STL comparison →
SkyWest Airlines on-time record across all routes →
110 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.