Alaska Airlines
AS305Miami to Seattle
Alaska Airlines flight AS305 flies from Miami (MIA) to Seattle Tacoma (SEA), 4,379 km. Over August 2025 to July 2026 it usually arrives about 3 minutes late: 74% of 506 flights arrived within 15 minutes of schedule and 0.6% were cancelled (US Department of Transportation data).
On-time record, last 12 months
74%
on time (within 15 min)
13%
more than 30 min late
0.6%
cancelled
+3 min
average arrival vs schedule
Every operation of AS305, August 2025 to July 2026: 506 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS305
- Miami (MIA) to Seattle Tacoma (SEA)257 flights
- Seattle Tacoma (SEA) to Miami (MIA)240 flights
- Portland (PDX) to Santa Ana (SNA)9 flights
Other flights from Miami to Seattle
More about Miami (MIA) and Seattle Tacoma (SEA).
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