Atlanta, GA → Denver, CO flight delays
ATL → DEN · all airlines · 442 flights · April 2026 · source: US BTS
This route is delayed
19%of the time, by +42 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
81%
Delayed 3h+
0.5%
Cancelled
0.2%
Avg when late
+42m
Best & worst day to fly
Most on-time
Monday
delayed 12%
Worst
Friday
delayed 29%
Which airline is most punctual on ATL → DEN?
Uniteddelayed 8%
Deltadelayed 19%
Southwestdelayed 21%
Frontierdelayed 29%
Frequently asked
How often is the Atlanta, GA to Denver, CO flight delayed?
About 19% of ATL → DEN flights arrive late (15+ minutes), by an average of 42 minutes when they do, based on 442 flights in April 2026.
Which airline is most punctual on ATL → DEN?
United, delayed 8% of the time — the best of the 4 airlines flying this route.
What is the best day to fly ATL → DEN?
Monday is the most on-time (delayed 12%), while Friday is the worst (delayed 29%).
Airport overviews