Alaska Airlines
AS403Portland to Seattle
Alaska Airlines flight AS403 flies from Portland (PDX) to Seattle Tacoma (SEA), 208 km. Over August 2025 to July 2026 it usually arrives about 4 minutes late: 81% of 284 flights arrived within 15 minutes of schedule and 1.1% were cancelled (US Department of Transportation data).
On-time record, last 12 months
81%
on time (within 15 min)
14%
more than 30 min late
1.1%
cancelled
+4 min
average arrival vs schedule
Every operation of AS403, August 2025 to July 2026: 284 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS403
- Portland (PDX) to Seattle Tacoma (SEA)71 flights
- Palm Springs (PSP) to Seattle Tacoma (SEA)69 flights
- Sacramento (SMF) to Seattle Tacoma (SEA)44 flights
- Las Vegas (LAS) to Seattle Tacoma (SEA)41 flights
- Seattle Tacoma (SEA) to Fresno Yosemite (FAT)28 flights
- Fresno Yosemite (FAT) to Seattle Tacoma (SEA)28 flights
- Orlando (MCO) to Portland (PDX)2 flights
- Las Vegas (LAS) to San Francisco (SFO)1 flights
Other flights from Portland to Seattle
More about Portland (PDX) and Seattle Tacoma (SEA).
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