ROC → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.6% of Frederick Douglass Greater Rochester International Airport (ROC) to Chicago O'Hare International Airport (ORD) flights were cancelled and 22.4% arrived at least 15 minutes late, across 5,968 flights, flown by MQ, UA, YX, OO, AA. Cancellations peak in January.
Check today's live ROC departures →Airport pages: Frederick Douglass Greater Rochester International Airport (ROC) · 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.