Alaska Airlines
AS523San Jose to Seattle
Alaska Airlines flight AS523 flies from San Jose (SJC) to Seattle Tacoma (SEA), 1,122 km. Over August 2025 to July 2026 it usually arrives about 5 minutes late: 76% of 261 flights arrived within 15 minutes of schedule and 1.1% were cancelled (US Department of Transportation data).
On-time record, last 12 months
76%
on time (within 15 min)
13%
more than 30 min late
1.1%
cancelled
+5 min
average arrival vs schedule
Every operation of AS523, August 2025 to July 2026: 261 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS523
- San Jose (SJC) to Seattle Tacoma (SEA)177 flights
- Reno Tahoe (RNO) to Seattle Tacoma (SEA)70 flights
- Seattle Tacoma (SEA) to San Jose (SJC)14 flights
Other flights from San Jose to Seattle
More about San Jose (SJC) and Seattle Tacoma (SEA).
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