Harrisburg, PA → Chicago, IL flight delays
MDT → ORD · all airlines · 244 flights · April 2026 · source: US BTS
This route is delayed
24%of the time, by +142 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
3.4%
Cancelled
2.5%
Avg when late
+142m
Best & worst day to fly
Most on-time
Saturday
delayed 12%
Worst
Friday
delayed 33%
Which airline is most punctual on MDT → ORD?
Americandelayed 13%
Republicdelayed 15%
Uniteddelayed 26%
SkyWestdelayed 35%
Envoydelayed 38%
Frequently asked
How often is the Harrisburg, PA to Chicago, IL flight delayed?
About 24% of MDT → ORD flights arrive late (15+ minutes), by an average of 142 minutes when they do, based on 244 flights in April 2026.
Which airline is most punctual on MDT → ORD?
American, delayed 13% of the time — the best of the 5 airlines flying this route.
What is the best day to fly MDT → ORD?
Saturday is the most on-time (delayed 12%), while Friday is the worst (delayed 33%).
Airport overviews