Atlanta, GA → Chicago, IL flight delays
ATL → MDW · all airlines · 291 flights · April 2026 · source: US BTS
This route is delayed
15%of the time, by +46 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
85%
Delayed 3h+
0.3%
Cancelled
0.7%
Avg when late
+46m
Best & worst day to fly
Most on-time
Thursday
delayed 8%
Worst
Sunday
delayed 25%
Which airline is most punctual on ATL → MDW?
Deltadelayed 13%
Southwestdelayed 16%
Frontierdelayed 19%
Frequently asked
How often is the Atlanta, GA to Chicago, IL flight delayed?
About 15% of ATL → MDW flights arrive late (15+ minutes), by an average of 46 minutes when they do, based on 291 flights in April 2026.
Which airline is most punctual on ATL → MDW?
Delta, delayed 13% of the time — the best of the 3 airlines flying this route.
What is the best day to fly ATL → MDW?
Thursday is the most on-time (delayed 8%), while Sunday is the worst (delayed 25%).
Airport overviews