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Is Southwest Airlines on time St. Louis to Atlanta?
1,130 flights · January 2025 – August 2026 · all airlines on STL to ATL →
80.7%
Arrived on time
Route average 85.27%
1.15%
Cancelled
Route average 1.73%
59 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Delta Air Lines | 2,371 | 89.39% | A |
| Frontier Airlines | 204 | 62.81% | F |
Month by month
Jul 2025
peak 94
Jun 2026