Portland, OR → Chicago, IL flight delays
PDX → ORD · all airlines · 285 flights · May 2026 · source: US BTS
This route is delayed
16%of the time, by +64 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
84%
Delayed 3h+
1.8%
Cancelled
0%
Avg when late
+64m
Best & worst day to fly
Most on-time
Friday
delayed 11%
Worst
Tuesday
delayed 23%
Which airline is most punctual on PDX → ORD?
Alaskadelayed 9%
Uniteddelayed 15%
Americandelayed 19%
Frequently asked
How often is the Portland, OR to Chicago, IL flight delayed?
About 16% of PDX → ORD flights arrive late (15+ minutes), by an average of 64 minutes when they do, based on 285 flights in May 2026.
Which airline is most punctual on PDX → ORD?
Alaska, delayed 9% of the time — the best of the 3 airlines flying this route.
What is the best day to fly PDX → ORD?
Friday is the most on-time (delayed 11%), while Tuesday is the worst (delayed 23%).
Airport overviews