Alaska Airlines
AS377Atlanta to Seattle
Alaska Airlines flight AS377 flies from Atlanta (ATL) to Seattle Tacoma (SEA), 3,505 km. Over August 2025 to July 2026 it usually arrives right on schedule: 85% of 333 flights arrived within 15 minutes of schedule and 0.3% were cancelled (US Department of Transportation data).
On-time record, last 12 months
85%
on time (within 15 min)
8%
more than 30 min late
0.3%
cancelled
+1 min
average arrival vs schedule
Every operation of AS377, August 2025 to July 2026: 333 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS377
- Atlanta (ATL) to Seattle Tacoma (SEA)307 flights
- Missoula (MSO) to Seattle Tacoma (SEA)26 flights
Other flights from Atlanta to Seattle
More about Atlanta (ATL) and Seattle Tacoma (SEA).
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