MDT → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.9% of Harrisburg International Airport (MDT) to Chicago O'Hare International Airport (ORD) flights were cancelled and 21.1% arrived at least 15 minutes late, across 4,156 flights, flown by UA, OO, MQ, YX, AA. Cancellations peak in January.
Check today's live MDT departures →Airport pages: Harrisburg International Airport (MDT) · Chicago O'Hare International Airport (ORD)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.