Atlanta, GA → Chicago, IL flight delays
ATL → ORD · all airlines · 554 flights · April 2026 · source: US BTS
This route is delayed
32%of the time, by +104 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
68%
Delayed 3h+
3.5%
Cancelled
3.1%
Avg when late
+104m
Best & worst day to fly
Most on-time
Saturday
delayed 20%
Worst
Tuesday
delayed 49%
Which airline is most punctual on ATL → ORD?
Envoydelayed 19%
Uniteddelayed 21%
Americandelayed 36%
Deltadelayed 39%
Frontierdelayed 41%
Frequently asked
How often is the Atlanta, GA to Chicago, IL flight delayed?
About 32% of ATL → ORD flights arrive late (15+ minutes), by an average of 104 minutes when they do, based on 554 flights in April 2026.
Which airline is most punctual on ATL → ORD?
Envoy, delayed 19% of the time — the best of the 5 airlines flying this route.
What is the best day to fly ATL → ORD?
Saturday is the most on-time (delayed 20%), while Tuesday is the worst (delayed 49%).
Airport overviews