SEA → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 0.9% of Seattle–Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD) flights were cancelled and 22.5% arrived at least 15 minutes late, across 16,761 flights, flown by AS, UA, DL, AA. Cancellations peak in January.
Check today's live SEA departures →Airport pages: Seattle–Tacoma International Airport (SEA) · 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.