A
Is Delta Air Lines on time St. Louis to Atlanta?
2,371 flights · January 2025 – August 2026 · all airlines on STL to ATL →
89.39%
Arrived on time
Route average 85.27%
1.98%
Cancelled
Route average 1.73%
77 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Southwest Airlines | 1,130 | 80.7% | C |
| Frontier Airlines | 204 | 62.81% | F |
Month by month
Jul 2025
peak 96
Jun 2026