SEA → ALW: cancellations & delays
Over Jan 2023 - Apr 2026, 3.6% of Seattle–Tacoma International Airport (SEA) to Walla Walla Regional Airport (ALW) flights were cancelled and 15.0% arrived at least 15 minutes late, across 887 flights, flown by OO. Cancellations peak in January.
Check today's live SEA departures →Airport pages: Seattle–Tacoma International Airport (SEA) · Walla Walla Regional Airport (ALW)
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.