Houston, TX → Atlanta, GA flight delays
IAH → ATL · all airlines · 466 flights · April 2026 · source: US BTS
This route is delayed
21%of the time, by +59 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
79%
Delayed 3h+
1.1%
Cancelled
0.4%
Avg when late
+59m
Best & worst day to fly
Most on-time
Wednesday
delayed 15%
Worst
Sunday
delayed 31%
Which airline is most punctual on IAH → ATL?
Deltadelayed 16%
Uniteddelayed 16%
Frontierdelayed 38%
Frequently asked
How often is the Houston, TX to Atlanta, GA flight delayed?
About 21% of IAH → ATL flights arrive late (15+ minutes), by an average of 59 minutes when they do, based on 466 flights in April 2026.
Which airline is most punctual on IAH → ATL?
Delta, delayed 16% of the time — the best of the 3 airlines flying this route.
What is the best day to fly IAH → ATL?
Wednesday is the most on-time (delayed 15%), while Sunday is the worst (delayed 31%).
Airport overviews