Miami, FL → Atlanta, GA flight delays
MIA → ATL · all airlines · 552 flights · May 2026 · source: US BTS
This route is delayed
27%of the time, by +71 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
73%
Delayed 3h+
2.4%
Cancelled
0.5%
Avg when late
+71m
Best & worst day to fly
Most on-time
Wednesday
delayed 16%
Worst
Sunday
delayed 36%
Which airline is most punctual on MIA → ATL?
Deltadelayed 20%
Frontierdelayed 35%
Americandelayed 36%
Frequently asked
How often is the Miami, FL to Atlanta, GA flight delayed?
About 27% of MIA → ATL flights arrive late (15+ minutes), by an average of 71 minutes when they do, based on 552 flights in May 2026.
Which airline is most punctual on MIA → ATL?
Delta, delayed 20% of the time — the best of the 3 airlines flying this route.
What is the best day to fly MIA → ATL?
Wednesday is the most on-time (delayed 16%), while Sunday is the worst (delayed 36%).
Airport overviews