St. Louis, MO → Atlanta, GA flight delays
STL → ATL · all airlines · 299 flights · April 2026 · source: US BTS
This route is delayed
14%of the time, by +87 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
86%
Delayed 3h+
1%
Cancelled
2%
Avg when late
+87m
Best & worst day to fly
Most on-time
Wednesday
delayed 2%
Worst
Monday
delayed 25%
Which airline is most punctual on STL → ATL?
Deltadelayed 11%
Southwestdelayed 16%
Frequently asked
How often is the St. Louis, MO to Atlanta, GA flight delayed?
About 14% of STL → ATL flights arrive late (15+ minutes), by an average of 87 minutes when they do, based on 299 flights in April 2026.
Which airline is most punctual on STL → ATL?
Delta, delayed 11% of the time — the best of the 2 airlines flying this route.
What is the best day to fly STL → ATL?
Wednesday is the most on-time (delayed 2%), while Monday is the worst (delayed 25%).
Airport overviews