Atlanta, GA → Miami, FL flight delays
ATL → MIA · all airlines · 573 flights · April 2026 · source: US BTS
This route is delayed
26%of the time, by +73 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
74%
Delayed 3h+
1.2%
Cancelled
0.2%
Avg when late
+73m
Best & worst day to fly
Most on-time
Wednesday
delayed 17%
Worst
Tuesday
delayed 37%
Which airline is most punctual on ATL → MIA?
Americandelayed 21%
Frontierdelayed 26%
Deltadelayed 27%
Spiritdelayed 27%
Frequently asked
How often is the Atlanta, GA to Miami, FL flight delayed?
About 26% of ATL → MIA flights arrive late (15+ minutes), by an average of 73 minutes when they do, based on 573 flights in April 2026.
Which airline is most punctual on ATL → MIA?
American, delayed 21% of the time — the best of the 4 airlines flying this route.
What is the best day to fly ATL → MIA?
Wednesday is the most on-time (delayed 17%), while Tuesday is the worst (delayed 37%).
Airport overviews