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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
On-time arrival rate, %