Alaska Airlines
AS665Ontario to Seattle
Alaska Airlines flight AS665 flies from Ontario (ONT) to Seattle Tacoma (SEA), 1,540 km. Over October 2025 to July 2026 it usually arrives about 6 minutes late: 77% of 216 flights arrived within 15 minutes of schedule and 2.3% were cancelled (US Department of Transportation data).
On-time record, last 12 months
77%
on time (within 15 min)
14%
more than 30 min late
2.3%
cancelled
+6 min
average arrival vs schedule
Every operation of AS665, October 2025 to July 2026: 216 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS665
- Ontario (ONT) to Seattle Tacoma (SEA)125 flights
- Salt Lake City (SLC) to Seattle Tacoma (SEA)37 flights
- Missoula (MSO) to Seattle Tacoma (SEA)34 flights
- Seattle Tacoma (SEA) to Portland (PDX)20 flights
Other flights from Ontario to Seattle
More about Ontario (ONT) and Seattle Tacoma (SEA).
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