ORD → PWM: cancellations & delays
Over Jan 2023 - Apr 2026, 1.8% of Chicago O'Hare International Airport (ORD) to Portland International Jetport (PWM) flights were cancelled and 22.1% arrived at least 15 minutes late, across 3,633 flights, flown by UA, YX, OO, MQ, F9. Cancellations peak in March.
Check today's live ORD departures →Airport pages: Chicago O'Hare International Airport (ORD) · Portland International Jetport (PWM)
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.