Sacramento to Seattle (SMF-SEA): nonstop upgrade & award space

Alaska Airlines and Delta Air Lines fly nonstop between Sacramento (SMF) and Seattle (SEA), roughly 89 times a week. With Alaska Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, on every SMF to SEA departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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89
Nonstop flights a week
606 mi
Nonstop distance
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Sacramento to Seattle flight schedule

Scheduled nonstop departures for SMF to SEA, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Sacramento (SMF) to Seattle (SEA)
Date Flight Airline Departs SMF Arrives SEA Duration Aircraft
AS 1358Alaska Airlines, Inc.06:0008:032h 3m7M9
DL 4075Delta Air Lines07:4610:002h 14mE7W
AS 692Alaska Airlines, Inc.08:0310:092h 6m73J
AS 1365Alaska Airlines, Inc.10:1512:162h 1m73H
AS 1468Alaska Airlines, Inc.10:2312:221h 59m73J
DL 4439Delta Air Lines11:1013:192h 9mE7W
DL 3881Delta Air Lines11:1713:332h 16mE7W
AS 406Alaska Airlines, Inc.12:5514:562h 1m7M8
DL 4125Delta Air Lines13:0015:102h 10mE7W
AS 1437Alaska Airlines, Inc.17:1019:091h 59m73H
DL 4153Delta Air Lines17:2919:372h 8mE7W
DL 4043Delta Air Lines19:4121:562h 15mE7W
AS 403Alaska Airlines, Inc.20:3422:392h 5m73J
AS 1358Alaska Airlines, Inc.06:0008:032h 3m7M9
DL 4075Delta Air Lines07:4610:002h 14mE7W
AS 692Alaska Airlines, Inc.08:0310:092h 6m73J
AS 1365Alaska Airlines, Inc.10:1512:162h 1m73H
AS 1468Alaska Airlines, Inc.10:2312:221h 59m73J
DL 4439Delta Air Lines11:1013:192h 9mE7W
DL 3881Delta Air Lines11:1713:332h 16mE7W
AS 406Alaska Airlines, Inc.12:5514:562h 1m7M8
AS 1476Alaska Airlines, Inc.12:5714:561h 59m73J
DL 4125Delta Air Lines13:0015:102h 10mE7W
AS 1437Alaska Airlines, Inc.17:1019:091h 59m73H
DL 4153Delta Air Lines17:2919:372h 8mE7W
DL 4043Delta Air Lines19:4121:562h 15mE7W
AS 1723Alaska Airlines, Inc.19:5222:002h 8m73J
AS 403Alaska Airlines, Inc.20:3422:392h 5m73J
AS 1358Alaska Airlines, Inc.06:0008:032h 3m7M8
DL 4075Delta Air Lines07:4610:002h 14mE7W
AS 692Alaska Airlines, Inc.08:0310:092h 6m73J
AS 1365Alaska Airlines, Inc.10:1512:162h 1m73H
AS 1468Alaska Airlines, Inc.10:2312:221h 59m73J
DL 3881Delta Air Lines11:1713:332h 16mE7W
AS 406Alaska Airlines, Inc.12:5514:562h 1m7M8
AS 1476Alaska Airlines, Inc.12:5714:561h 59m73J
DL 4125Delta Air Lines13:0015:102h 10mE7W
AS 1437Alaska Airlines, Inc.17:1019:091h 59m73H
DL 4153Delta Air Lines17:2919:372h 8mE7W
DL 4043Delta Air Lines19:4121:562h 15mE7W

Showing the first 40 of 92 scheduled SMF to SEA departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SMF to SEA date on the interactive map

Confirmed upgrade & award space on SMF to SEA departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for Sacramento to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SMF to SEA departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SMF to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sacramento to Seattle nonstop

Carriers operating SMF to SEA nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SMF to SEA on the interactive map →

Frequently asked questions about SMF to SEA

How far is Seattle from Sacramento?
SMF to SEA covers about 606 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SMF to SEA?
Alaska Airlines and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines.
How many flights a week are there from SMF to SEA?
About 89 nonstop flights a week run between Sacramento and Seattle in the current schedule, operated by Alaska Airlines and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SMF to SEA depart?
Scheduled SMF to SEA nonstops in the next 7 days with service leave between 06:00 and 20:34, local time at Sacramento. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SMF to SEA?
Open the SMF to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SMF to SEA upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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