AS677Alaska Airlines · SEA → SMF
live · 4m ago
Route confirmed Alaska Airlines

AS677 SeattleSEA · 08:18 SacramentoSMF · 10:25

AS677 by Alaska Airlines flies from Seattle (SEA) to Sacramento (SMF).

Right nowNext departure today Operates daily
08:18

scheduled from SEA

Typical arrival−22 minmedian over 8 operations

Where the minutes go

last 7 operations · gate push → arrival
0+49+97+146 min
11-01
−35 arrival
10-30
+146 arrival
10-29
−16 arrival
10-26
−38 arrival
10-25
−35 arrival
10-23
−13 arrival
10-22
−20 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −22 min · 0 cancelled · 8 operations tracked

The route today

live boards
SEASeattleModerate riskSEA delay board →
SMFSacramentoOn-time likelySMF delay board →
SEA→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.6%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at SEA and SMF are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to Sacramento flights today

same route · Alaska Airlines
AS1461departs 07:13
AS772departs 11:50
AS1428departs 11:55
AS764departs 16:00
AS681departs 19:51
AS795departs 21:18

If AS677 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Sacramento on the same day, with scheduled departure times in SEA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AS677 actually runs

Pro Flight Search has tracked every published board update for AS677 across the SEA and SMF boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min early. Based on 8 confirmed landings · 7/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS677 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-01SEA 08:18SMF 10:25 09:50 (−35)
10-30SEA 08:18SMF 10:25 12:51 (+146)
10-29SEA 08:18SMF 10:25 10:09 (−16)
10-26SEA 08:18SMF 10:25 09:47 (−38)
10-25SEA 08:18SMF 10:25 09:50 (−35)
10-23SEA 08:18SMF 10:25 10:12 (−13)
10-22SEA 08:18SMF 10:25 10:05 (−20)
10-19SEA 08:18SMF 10:25 10:01 (−24)

Aircraft

Recent tails: N474AS, N514AS, N551AS, N520AS.

Board clocks recorded as SEA and SMF published them.

Planning around AS677? 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: AS677 Seattle to Sacramento on-time performance, measured from the SEA and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/AS677
How we measure this →