Raleigh/Durham, NC → Chicago, IL flight delays
RDU → ORD · all airlines · 354 flights · April 2026 · source: US BTS
This route is delayed
29%of the time, by +110 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
71%
Delayed 3h+
3.5%
Cancelled
2%
Avg when late
+110m
Best & worst day to fly
Most on-time
Saturday
delayed 10%
Worst
Monday
delayed 48%
Which airline is most punctual on RDU → ORD?
Envoydelayed 20%
Uniteddelayed 25%
Republicdelayed 32%
Americandelayed 41%
Frequently asked
How often is the Raleigh/Durham, NC to Chicago, IL flight delayed?
About 29% of RDU → ORD flights arrive late (15+ minutes), by an average of 110 minutes when they do, based on 354 flights in April 2026.
Which airline is most punctual on RDU → ORD?
Envoy, delayed 20% of the time — the best of the 4 airlines flying this route.
What is the best day to fly RDU → ORD?
Saturday is the most on-time (delayed 10%), while Monday is the worst (delayed 48%).
Airport overviews