C
Is Southwest Airlines on time Detroit to St. Louis?
593 flights · January 2025 – August 2026 · all airlines on DTW to STL →
75.93%
Arrived on time
Route average 76.98%
0.51%
Cancelled
Route average 1%
51 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Delta Air Lines | 1,088 | 80.13% | C |
| SkyWest Airlines | 186 | 61.33% | F |
| Spirit Airlines | 36 | 83.33% | — |
| Republic Airways | 2 | 0% | — |
Month by month
Jul 2025
peak 93
Jun 2026