ORD → SEA: cancellations & delays
Over Jan 2023 - Apr 2026, 1.0% of Chicago O'Hare International Airport (ORD) to Seattle–Tacoma International Airport (SEA) flights were cancelled and 24.5% arrived at least 15 minutes late, across 16,775 flights, flown by AS, UA, DL, AA. Cancellations peak in January.
Check today's live ORD departures →Airport pages: Chicago O'Hare International Airport (ORD) · Seattle–Tacoma International Airport (SEA)
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.