SEA → SMFSeattle to Sacramento

live

Direct flights from Seattle (SEA) to Sacramento (SMF): 98 nonstop departures observed each week across 3 airlines. 88% of the last 17 tracked flights arrived within 15 minutes of schedule. The median arrival is 14 minutes early. No cancellations were recorded across the 17 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 4 November 2026 at 05:06 UTC.

Today, SEA → SMF

Tue 3 Nov · local times
  1. 05:15 WN3833Southwest Departed Landed 06:47 −18
  2. 08:33 AS1366Alaska Departed Landed 10:22 −13
  3. 08:35 DL3881Delta Air Lines Departed Landed 11:09 +29
  4. 10:10 DL4125Delta Air Lines Departed Landed 12:03 −17
  5. 11:35 WN1543Southwest Departed Landed 13:16 −14
  6. 11:48 AS763Alaska Departed Landed 13:40 −16
  7. 14:57 DL4153Delta Air Lines Departed SMF est. 16:41In the air · sched 16:57
  8. 16:06 AS764Alaska Departed SMF est. 18:43 +43In the air · sched 18:00
  9. 17:00 DL4043Delta Air Lines Departed SMF est. 18:55In the air · sched 19:01
  10. 19:25 WN2854Southwest Departed ·
  11. 20:13 AS681Alaska Departed ·

Checked SEA board 21:06 · SMF board 16:35

SEA Seattle smooth · +11
SMF Sacramento smooth · +4
975 km · ~1h 45m est.
dep bank 05:00–21:5598x weekly
Runs reliable · 3 airlines · 98x weekly · nonstop
88% on time

of the last 17 tracked SEA → SMF flights arrived within 15 minutes

Median arrival delay is −14 min. 0 of 17 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−14 minacross the last 17 arrivals
Flight time~1h 45mestimated from route distance
Weekly departures98x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 17

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 AirlinesAS100% on time

Flights AS677 08:18 Mo Th Fr Su · AS1366 08:33 Mo Tu Su · AS763 11:48 Mo Tu Su · AS772 11:50 daily

Delta Air LinesDL83% on time

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

Southwest AirlinesWN80% on time

Flights WN3833 05:00 Mo Tu Su · WN3768 05:30 Mo Th Fr Su · WN2719 05:50 Tu We · WN1543 11:10 Mo Tu Su

History

operated legs · board outcomes
11-03AS1366arrived−13
11-03AS763arrived−16
11-03DL3881arrived+29
11-03DL4125arrived−17
11-03WN1543arrived−14
11-03WN3833arrived−18
11-02AS1366arrived−6
11-02AS681arrived+7
11-02AS763arrived−27
11-02AS764arrived−19
11-02DL3881arrived+14
11-02DL4043arrived−18
11-02DL4125arrived−6
11-02DL4153arrived+0
11-02WN1543arrived+63
11-02WN3833arrived−14
11-02WN425arrived−25

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 +11 min smooth 🌤 few clouds · NNE 4 kt Full SEA delay board →
SMFSacramento +4 min smooth 🌤 overcast · NNW 5 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. The departure side at SEA is the weaker end, route health score 88/100. 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 05:00 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 98 flights a week between them. Compare carrier days and times in the airline list above.