DEC → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 2.6% of Decatur Airport (DEC) to Chicago O'Hare International Airport (ORD) flights were cancelled and 23.6% arrived at least 15 minutes late, across 2,082 flights, flown by OO. Cancellations peak in January.
Check today's live DEC departures →Airport pages: Decatur Airport (DEC) · 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.