Alaska AirlinesAS
Flights AS1358 06:02 Mo Th Fr Su · AS458 08:23 daily · AS1365 11:21 daily · AS763 13:10 daily
live
Direct flights from Sacramento (SMF) to Seattle (SEA): 21 nonstop departures observed each week across 3 airlines. The median arrival is on schedule. No cancellations were recorded across the 3 tracked flights. The nonstop covers 975 km, an estimated 1 hour 45 minutes in the air. Measured by Pro Flight Search from live flight boards at Sacramento and Seattle. Updated 17 October 2026 at 16:18 UTC.
Today, SMF → SEA
Sat 17 Oct · local times- 06:35 WN297Southwest Left 06:35 Landed 08:30
- 07:30 DL4075Delta Air Lines Left 07:30 Landed 09:47
- 08:23 AS458Alaska Est. 08:23Departure not confirmed by the board SEA est. 09:58sched 10:29
- · AS1365Alaska On schedule SEA est. 13:17sched 13:23
- · AS763Alaska On schedule SEA est. 15:05sched 15:09
- · DL3881Delta Air Lines On schedule SEA est. 13:25sched 13:40
- · DL4125Delta Air Lines On schedule SEA est. 15:03sched 15:11
- · DL4153Delta Air Lines On schedule SEA est. 19:27sched 19:50
- · WN323Southwest On schedule SEA 20:30scheduled
Checked SMF board 06:18 · SEA board 09:18
SMF
Sacramento
smooth · +9
SEA
Seattle
smooth · +0
975 km · ~1h 45m est.
Running clean · 3 airlines · 21x weekly · nonstop
93 / 100
route health from live SMF and SEA delay boards
Median arrival delay is +0 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+0 minacross the last 3 operated legs
Flight time~1h 45mestimated from route distance
Weekly departures21x3 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air LinesSouthwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at SMF: 34% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Sacramento to Seattle route actually runs
Pro Flight Search records official board updates for nonstop SMF to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Sacramento (SMF) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SMF-SEA
SMF to SEA questions
Is SMF–SEA running on time right now?
Smooth skies ahead. The departure side at SMF is the weaker end, route health score 93/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SMF–SEA?
Operators schedule morning departures around 05:05 and evening departures around 17:37 from SMF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.
How long is the flight from SMF to SEA?
Great-circle distance is 975 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 99–114 min gate-to-gate on this route.
How often does SMF–SEA fly?
3 carriers operate this route, around 86 flights a week between them. Compare carrier days and times in the airline list above.
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