PHX → SEA: cancellations & delays
Over Jan 2023 - Apr 2026, 0.6% of Phoenix Sky Harbor International Airport (PHX) to Seattle–Tacoma International Airport (SEA) flights were cancelled and 16.9% arrived at least 15 minutes late, across 24,004 flights, flown by AS, DL, WN, OO, AA, MQ. Cancellations peak in January.
Check today's live PHX departures →Airport pages: Phoenix Sky Harbor International Airport (PHX) · 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.