Chicago, IL → Philadelphia, PA flight delays
ORD → PHL · all airlines · 435 flights · April 2026 · source: US BTS
This route is delayed
28%of the time, by +79 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
72%
Delayed 3h+
1.9%
Cancelled
3%
Avg when late
+79m
Best & worst day to fly
Most on-time
Wednesday
delayed 18%
Worst
Friday
delayed 38%
Which airline is most punctual on ORD → PHL?
Uniteddelayed 27%
Americandelayed 27%
Frequently asked
How often is the Chicago, IL to Philadelphia, PA flight delayed?
About 28% of ORD → PHL flights arrive late (15+ minutes), by an average of 79 minutes when they do, based on 435 flights in April 2026.
Which airline is most punctual on ORD → PHL?
United, delayed 27% of the time — the best of the 2 airlines flying this route.
What is the best day to fly ORD → PHL?
Wednesday is the most on-time (delayed 18%), while Friday is the worst (delayed 38%).
Airport overviews