SEA → SMFSeattle to Sacramento

live

Direct flights from Seattle (SEA) to Sacramento (SMF): 85 nonstop departures observed each week across 3 airlines. 93% of the last 14 tracked flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. No cancellations were recorded across the 14 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 Seattle and Sacramento. Updated 31 October 2026 at 14:22 UTC.

Today, SEA → SMF

Sat 31 Oct · local times
  1. 05:55 WN2524Southwest Departed SMF est. 07:40In the air · sched 07:45
  2. 08:35 DL3881Delta Air Lines On scheduleGate B8 ·
  3. 10:10 DL4125Delta Air Lines On scheduleGate A6 ·
  4. 11:50 AS772Alaska On scheduleGate C10E ·
  5. 14:10 WN1737Southwest On scheduleGate B10 ·
  6. 14:57 DL4153Delta Air Lines On scheduleGate A14 ·
  7. 16:00 AS764Alaska On scheduleGate N7 ·
  8. 17:00 DL4043Delta Air Lines On scheduleGate B5A ·

Checked SEA board 07:22 · SMF board 06:33

SEA Seattle smooth · +0
SMF Sacramento smooth · +0
975 km · ~1h 45m est.
dep bank 05:30–21:5585x weekly
Runs reliable · 3 airlines · 85x weekly · nonstop
93% on time

of the last 14 tracked SEA → SMF flights arrived within 15 minutes

Median arrival delay is −5 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 14 arrivals
Flight time~1h 45mestimated from route distance
Weekly departures85x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 14

The week

scheduled departures · origin local time
06121824
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 days
Alaska AirlinesAS80% on time

Flights AS677 08:18 Mo Th Fr Su · AS772 11:50 daily · AS764 16:00 daily · AS681 19:51 daily

Delta Air LinesDL100% on time

Flights DL3881 08:35 daily · DL4125 10:10 daily · DL4153 14:57 daily · DL4043 17:10 daily

Southwest AirlinesWN

Flights WN3768 05:30 Mo Th Fr Su · WN2719 05:50 Tu We · WN3392 11:35 Mo Th Fr · WN2829 12:05 Tu We

History

operated legs · board outcomes
10-30AS677arrived+146
10-30AS681arrived−16
10-30AS722arrived−10
10-30AS764arrived+0
10-30AS772arrived−5
10-30DL3881arrived−8
10-30DL4043arrived−15
10-30DL4125arrived−27
10-30DL4131arrived+1
10-30DL4153arrived−15
10-30WN1769arrived+12
10-30WN3392arrived+9
10-30WN3768arrived−17
10-30WN3770arrived−3

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +0 min smooth 🌫 clear · N 5 kt Full SEA delay board →
SMFSacramento +0 min smooth 🌤 mostly cloudy · S 8 kt Full SMF delay board →

Weather lens

Conditions are tightest at SMF: a 39% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +9 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Seattle to Sacramento route actually runs

Pro Flight Search records official board updates for nonstop SEA to SMF 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: Seattle (SEA) to Sacramento (SMF) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-SMF
How we measure this →

SEA to SMF questions

Is SEA–SMF running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–SMF?

Operators schedule morning departures around 05:30 and evening departures around 17:10 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SMF delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to SMF?

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 SEA–SMF fly?

3 carriers operate this route, around 85 flights a week between them. Compare carrier days and times in the airline list above.