Redmond to Seattle (RDM-SEA): nonstop upgrade & award space

Alaska Airlines and Delta Air Lines fly nonstop between Redmond (RDM) and Seattle (SEA), roughly 56 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 RDM 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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56
Nonstop flights a week
228 mi
Nonstop distance
Free
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Redmond to Seattle flight schedule

Scheduled nonstop departures for RDM 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 Redmond (RDM) to Seattle (SEA)
Date Flight Airline Departs RDM Arrives SEA Duration Aircraft
AS 2267Alaska Airlines, Inc.06:0407:201h 16mE75
DL 4036Delta Air Lines06:1507:431h 28mE7W
AS 2019Alaska Airlines, Inc.07:4008:551h 15mE75
AS 3063Alaska Airlines, Inc.10:1611:331h 17mE75
AS 276Alaska Airlines, Inc.13:3714:531h 16m73J
DL 3735Delta Air Lines13:4415:101h 26mE7W
AS 2344Alaska Airlines, Inc.18:1719:301h 13mE75
DL 4141Delta Air Lines19:2420:501h 26mE7W
AS 2267Alaska Airlines, Inc.06:0407:201h 16mE75
DL 4036Delta Air Lines06:1507:431h 28mE7W
AS 2019Alaska Airlines, Inc.07:4008:551h 15mE75
AS 3063Alaska Airlines, Inc.10:1611:331h 17mE75
AS 276Alaska Airlines, Inc.13:3714:531h 16m73H
DL 3735Delta Air Lines13:4415:101h 26mE7W
AS 2344Alaska Airlines, Inc.18:1719:301h 13mE75
DL 4141Delta Air Lines19:2420:501h 26mE7W
AS 2267Alaska Airlines, Inc.06:0407:201h 16mE75
DL 4036Delta Air Lines06:1507:431h 28mE7W
AS 2019Alaska Airlines, Inc.07:4008:551h 15mE75
AS 3063Alaska Airlines, Inc.10:1611:331h 17mE75
AS 276Alaska Airlines, Inc.13:3714:531h 16m73J
DL 3735Delta Air Lines13:4415:101h 26mE7W
AS 2344Alaska Airlines, Inc.18:1719:301h 13mE75
DL 4141Delta Air Lines19:2420:501h 26mE7W
AS 2267Alaska Airlines, Inc.06:0407:201h 16mE75
DL 4036Delta Air Lines06:1507:431h 28mE7W
AS 2019Alaska Airlines, Inc.07:4008:551h 15mE75
AS 3063Alaska Airlines, Inc.10:1611:331h 17mE75
AS 276Alaska Airlines, Inc.13:3714:531h 16m73J
DL 3735Delta Air Lines13:4415:101h 26mE7W
AS 2344Alaska Airlines, Inc.18:1719:301h 13mE75
DL 4141Delta Air Lines19:2420:501h 26mE7W
AS 2267Alaska Airlines, Inc.06:0407:201h 16mE75
DL 4036Delta Air Lines06:1507:431h 28mE7W
AS 2019Alaska Airlines, Inc.07:4008:551h 15mE75
AS 3063Alaska Airlines, Inc.10:1611:331h 17mE75
AS 276Alaska Airlines, Inc.13:3714:531h 16m73H
DL 3735Delta Air Lines13:4415:101h 26mE7W
AS 2344Alaska Airlines, Inc.18:1719:301h 13mE75
DL 4141Delta Air Lines19:2420:501h 26mE7W

Showing the first 40 of 56 scheduled RDM 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 RDM to SEA date on the interactive map

Confirmed upgrade & award space on RDM 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 Redmond 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 RDM 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 RDM to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Redmond to Seattle nonstop

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

See RDM to SEA on the interactive map →

Frequently asked questions about RDM to SEA

How far is Seattle from Redmond?
RDM to SEA covers about 228 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 RDM 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 RDM to SEA?
About 56 nonstop flights a week run between Redmond 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 RDM to SEA depart?
Scheduled RDM to SEA nonstops in the next 7 days with service leave between 06:04 and 19:24, local time at Redmond. 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 RDM to SEA?
Open the RDM 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 RDM 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.

Get started free