PDX → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of Portland International Airport (PDX) to Chicago O'Hare International Airport (ORD) flights were cancelled and 18.6% arrived at least 15 minutes late, across 7,439 flights, flown by UA, AS, AA, NK. Cancellations peak in January.
Check today's live PDX departures →Airport pages: Portland International Airport (PDX) · 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.