D
Is United Airlines on time St. Louis to Chicago?
525 flights · January 2025 – August 2026 · all airlines on STL to ORD →
68.6%
Arrived on time
Route average 71.12%
1.52%
Cancelled
Route average 3.22%
85 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| SkyWest Airlines | 836 | 62.85% | F |
| Envoy Air | 728 | 74.61% | D |
| American Airlines | 533 | 80.73% | C |
| Republic Airways | 448 | 72.03% | D |
Month by month
Jul 2025
peak 84
Jun 2026