Chicago, IL → Washington, DC flight delays
ORD → IAD · all airlines · 216 flights · May 2026 · source: US BTS
This route is delayed
21%of the time, by +65 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+
1.4%
Cancelled
0%
Avg when late
+65m
Best & worst day to fly
Most on-time
Saturday
delayed 6%
Worst
Monday
delayed 32%
Frequently asked
How often is the Chicago, IL to Washington, DC flight delayed?
About 21% of ORD → IAD flights arrive late (15+ minutes), by an average of 65 minutes when they do, based on 216 flights in May 2026.
What is the best day to fly ORD → IAD?
Saturday is the most on-time (delayed 6%), while Monday is the worst (delayed 32%).
Airport overviews