Delayly.HONEST DELAY ODDS

Philadelphia, PAChicago, IL flight delays

PHLORD · all airlines · 492 flights · May 2026 · source: US BTS

This route is delayed
20%of the time, by +89 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
80%
Delayed 3h+
2.7%
Cancelled
1.2%
Avg when late
+89m
Best & worst day to fly
Most on-time
Saturday
delayed 7%
Worst
Thursday
delayed 27%
Which airline is most punctual on PHLORD?
Americandelayed 17%
Uniteddelayed 23%
Frequently asked
How often is the Philadelphia, PA to Chicago, IL flight delayed?
About 20% of PHL → ORD flights arrive late (15+ minutes), by an average of 89 minutes when they do, based on 492 flights in May 2026.
Which airline is most punctual on PHL → ORD?
American, delayed 17% of the time — the best of the 2 airlines flying this route.
What is the best day to fly PHL → ORD?
Saturday is the most on-time (delayed 7%), while Thursday is the worst (delayed 27%).
Airport overviews
All flights from PhiladelphiaAll flights from Chicago
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