Alaska Airlines
AS143Anchorage to Seattle
Alaska Airlines flight AS143 flies from Anchorage (ANC) to Seattle Tacoma (SEA), 2,326 km. Over August 2025 to April 2026 it usually arrives about 7 minutes late: 73% of 195 flights arrived within 15 minutes of schedule and 1% were cancelled (US Department of Transportation data).
On-time record, last 12 months
73%
on time (within 15 min)
18%
more than 30 min late
1%
cancelled
+7 min
average arrival vs schedule
Every operation of AS143, August 2025 to April 2026: 195 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS143
- Anchorage (ANC) to Seattle Tacoma (SEA)194 flights
- Seattle Tacoma (SEA) to Honolulu (HNL)1 flights
Other flights from Anchorage to Seattle
More about Anchorage (ANC) and Seattle Tacoma (SEA).
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