Miami, FL → Chicago, IL flight delays
MIA → ORD · all airlines · 400 flights · April 2026 · source: US BTS
This route is delayed
23%of the time, by +77 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
77%
Delayed 3h+
2%
Cancelled
1.8%
Avg when late
+77m
Best & worst day to fly
Most on-time
Saturday
delayed 13%
Worst
Monday
delayed 38%
Which airline is most punctual on MIA → ORD?
Uniteddelayed 14%
Americandelayed 20%
Spiritdelayed 57%
Frequently asked
How often is the Miami, FL to Chicago, IL flight delayed?
About 23% of MIA → ORD flights arrive late (15+ minutes), by an average of 77 minutes when they do, based on 400 flights in April 2026.
Which airline is most punctual on MIA → ORD?
United, delayed 14% of the time — the best of the 3 airlines flying this route.
What is the best day to fly MIA → ORD?
Saturday is the most on-time (delayed 13%), while Monday is the worst (delayed 38%).
Airport overviews