Miami, FL → Atlanta, GA flight delays
MIA → ATL · all airlines · 572 flights · April 2026 · source: US BTS
This route is delayed
24%of the time, by +61 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
1.2%
Cancelled
0.2%
Avg when late
+61m
Best & worst day to fly
Most on-time
Friday
delayed 15%
Worst
Sunday
delayed 37%
Which airline is most punctual on MIA → ATL?
Deltadelayed 20%
Americandelayed 26%
Spiritdelayed 27%
Frontierdelayed 32%
Frequently asked
How often is the Miami, FL to Atlanta, GA flight delayed?
About 24% of MIA → ATL flights arrive late (15+ minutes), by an average of 61 minutes when they do, based on 572 flights in April 2026.
Which airline is most punctual on MIA → ATL?
Delta, delayed 20% of the time — the best of the 4 airlines flying this route.
What is the best day to fly MIA → ATL?
Friday is the most on-time (delayed 15%), while Sunday is the worst (delayed 37%).
Airport overviews