Seattle to Raleigh/Durham (SEA-RDU): nonstop upgrade & award space

Alaska Airlines and Delta Air Lines fly nonstop between Seattle (SEA) and Raleigh/Durham (RDU), roughly 21 times a week. Alaska Airlines carries most of this long-haul schedule, so one carrier's release pattern decides when premium space appears, and it is rarely all at once. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, on every SEA to RDU 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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21
Nonstop flights a week
2,349 mi
Nonstop distance
Free
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Seattle to Raleigh/Durham flight schedule

Scheduled nonstop departures for SEA to RDU, 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 Seattle (SEA) to Raleigh/Durham (RDU)
Date Flight Airline Departs SEA Arrives RDU Duration Aircraft
AS 572Alaska Airlines, Inc.08:2516:475h 22m73J
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9
AS 572Alaska Airlines, Inc.08:2516:475h 22m7M9
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9
AS 572Alaska Airlines, Inc.08:2516:475h 22m7M9
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9
AS 572Alaska Airlines, Inc.08:2516:475h 22m7M9
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9
AS 572Alaska Airlines, Inc.08:2516:475h 22m7M9
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9
AS 572Alaska Airlines, Inc.08:2516:475h 22m7M9
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9
AS 572Alaska Airlines, Inc.08:2516:475h 22m7M9
DL 489Delta Air Lines15:5923:595h739
AS 677Alaska Airlines, Inc.21:3305:405h 7m7M9

Showing all 21 scheduled SEA to RDU departures across the next 7 days with service. Later dates are 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 SEA to RDU date on the interactive map

Confirmed upgrade & award space on SEA to RDU 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 Seattle to Raleigh/Durham 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 SEA to RDU 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 SEA to RDU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Raleigh/Durham nonstop

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

See SEA to RDU on the interactive map →

Frequently asked questions about SEA to RDU

How far is Raleigh/Durham from Seattle?
SEA to RDU covers about 2,349 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 SEA to RDU?
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 SEA to RDU?
About 21 nonstop flights a week run between Seattle and Raleigh/Durham 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 SEA to RDU depart?
Scheduled SEA to RDU nonstops in the next 7 days with service leave between 08:25 and 21:33, local time at Seattle. 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 SEA to RDU?
Open the SEA to RDU 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 SEA to RDU 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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