A
Is SkyWest Airlines on time St. Louis to Denver?
142 flights · January 2025 – August 2026 · all airlines on STL to DEN →
87.14%
Arrived on time
Route average 74.9%
0.7%
Cancelled
Route average 0.41%
60 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Southwest Airlines | 2,165 | 73.33% | C |
| United Airlines | 1,071 | 76.58% | C |
| Frontier Airlines | 277 | 74.45% | D |
Month by month
Jul 2025
peak 100
May 2026