Seattle to Raleigh/Durham flights: who flies SEA-RDU

Seattle to Raleigh/Durham flight schedule

Scheduled nonstop departures for SEA to RDU starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from Seattle (SEA) to Raleigh/Durham (RDU)
Date	Flight	Airline	Departs SEA	Arrives RDU	Duration	Aircraft
Fri, Oct 23	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737 MAX 9
Fri, Oct 23	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900
Sat, Oct 24	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737-900
Sat, Oct 24	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900
Sun, Oct 25	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737-800
Sun, Oct 25	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900
Mon, Oct 26	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737 MAX 9
Mon, Oct 26	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900
Tue, Oct 27	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737-900
Tue, Oct 27	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900
Wed, Oct 28	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737 MAX 9
Wed, Oct 28	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900
Thu, Oct 29	AS 572	Alaska Airlines, Inc.	08:00	16:19	5h 19m	Boeing 737-900
Thu, Oct 29	DL 489	Delta Air Lines	15:55	23:58	5h 3m	Boeing 737-900

Showing all 14 scheduled SEA to RDU departures across 7 days with service, starting October 23, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every SEA to RDU date on the interactive map

Aircraft on the Seattle to Raleigh/Durham nonstop

In the schedule table on this page, Alaska Airlines flies the Boeing 737 MAX 9, the Boeing 737-900, and the Boeing 737-800, and Delta Air Lines flies the Boeing 737-900. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

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.

In the 7 days to October 19, 2026, 2LNR checked award space on Seattle to Raleigh/Durham departures from October 19 to November 1. Alaska Airlines had space open on 1 of 14 dates checked and Delta Air Lines on 14 of 14.

See real availability

Confirmed upgrade or award seats by date on the SEA to RDU departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're 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. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See SEA to RDU on the interactive map →

Frequently asked questions about SEA to RDU

How long is the flight from Seattle (SEA) to Raleigh/Durham (RDU)?

Scheduled flight times from Seattle (SEA) to Raleigh/Durham (RDU) run from 5h 3m to 5h 19m across the departures in the schedule table on this page. The nonstop covers about 2,349 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

Which airlines fly nonstop from SEA to RDU?

Alaska Airlines and Delta Air Lines fly SEA to RDU 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 14 nonstop flights a week run between Seattle (SEA) and Raleigh/Durham (RDU) 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 08:00 and 15:55, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

Which flights operate SEA to RDU nonstop?

In the schedule table on this page, SEA to RDU nonstops fly as AS 572 on Alaska Airlines and DL 489 on Delta Air Lines. The table lists each departure by date with its times 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.