Atlanta (ATL) to Seattle (SEA) flights: who flies it

Atlanta to Seattle flight schedule

Scheduled nonstop departures for ATL to SEA 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 Atlanta (ATL) to Seattle (SEA)
Date	Flight	Airline	Departs ATL	Arrives SEA	Duration	Aircraft
Fri, Oct 23	AS 377	Alaska Airlines, Inc.	07:03	09:30	5h 27m	Boeing 737 MAX 9
Fri, Oct 23	DL 444	Delta Air Lines	07:25	10:03	5h 38m	Airbus A321neo family
Fri, Oct 23	AS 348	Alaska Airlines, Inc.	09:03	11:28	5h 25m	Boeing 737-900
Fri, Oct 23	DL 774	Delta Air Lines	09:45	12:22	5h 37m	Airbus A321neo family
Fri, Oct 23	DL 629	Delta Air Lines	11:45	14:19	5h 34m	Airbus A321neo family
Fri, Oct 23	DL 481	Delta Air Lines	13:45	16:16	5h 31m	Boeing 737-900
Fri, Oct 23	DL 472	Delta Air Lines	16:30	19:04	5h 34m	Airbus A321neo family
Fri, Oct 23	AS 218	Alaska Airlines, Inc.	16:35	19:01	5h 26m	Boeing 737-800
Fri, Oct 23	DL 714	Delta Air Lines	19:30	22:03	5h 33m	Boeing 757-300
Fri, Oct 23	DL 903	Delta Air Lines	21:15	23:52	5h 37m	Airbus A321neo family
Sat, Oct 24	AS 377	Alaska Airlines, Inc.	07:03	09:30	5h 27m	Boeing 737-800
Sat, Oct 24	DL 444	Delta Air Lines	07:25	10:03	5h 38m	Airbus A321neo family
Sat, Oct 24	AS 348	Alaska Airlines, Inc.	09:03	11:28	5h 25m	Boeing 737 MAX 9
Sat, Oct 24	DL 774	Delta Air Lines	09:50	12:27	5h 37m	Airbus A321neo family
Sat, Oct 24	DL 629	Delta Air Lines	11:45	14:19	5h 34m	Airbus A321neo family
Sat, Oct 24	DL 481	Delta Air Lines	13:45	16:16	5h 31m	Boeing 737-900
Sat, Oct 24	DL 472	Delta Air Lines	16:30	19:04	5h 34m	Airbus A321neo family
Sat, Oct 24	AS 218	Alaska Airlines, Inc.	16:35	19:01	5h 26m	Boeing 737-800
Sat, Oct 24	DL 714	Delta Air Lines	19:30	22:03	5h 33m	Boeing 757-300
Sat, Oct 24	DL 903	Delta Air Lines	21:15	23:52	5h 37m	Airbus A321neo family
Sun, Oct 25	AS 377	Alaska Airlines, Inc.	07:03	09:30	5h 27m	Boeing 737-900
Sun, Oct 25	DL 444	Delta Air Lines	07:25	10:03	5h 38m	Airbus A321neo family
Sun, Oct 25	AS 348	Alaska Airlines, Inc.	09:03	11:28	5h 25m	Boeing 737 MAX 9
Sun, Oct 25	DL 774	Delta Air Lines	09:45	12:22	5h 37m	Airbus A321neo family
Sun, Oct 25	DL 629	Delta Air Lines	11:45	14:19	5h 34m	Airbus A321neo family
Sun, Oct 25	DL 481	Delta Air Lines	13:45	16:16	5h 31m	Boeing 737-900
Sun, Oct 25	DL 472	Delta Air Lines	16:30	19:04	5h 34m	Airbus A321neo family
Sun, Oct 25	AS 218	Alaska Airlines, Inc.	16:35	19:01	5h 26m	Boeing 737 MAX 9
Sun, Oct 25	DL 714	Delta Air Lines	19:30	22:03	5h 33m	Boeing 757-300
Sun, Oct 25	DL 903	Delta Air Lines	21:15	23:52	5h 37m	Airbus A321neo family
Mon, Oct 26	AS 377	Alaska Airlines, Inc.	07:03	09:30	5h 27m	Boeing 737-900
Mon, Oct 26	DL 444	Delta Air Lines	07:25	10:03	5h 38m	Airbus A321neo family
Mon, Oct 26	AS 348	Alaska Airlines, Inc.	09:03	11:28	5h 25m	Boeing 737-800
Mon, Oct 26	DL 774	Delta Air Lines	09:45	12:22	5h 37m	Airbus A321neo family
Mon, Oct 26	DL 629	Delta Air Lines	11:45	14:19	5h 34m	Airbus A321neo family
Mon, Oct 26	DL 481	Delta Air Lines	13:45	16:16	5h 31m	Boeing 737-900
Mon, Oct 26	DL 472	Delta Air Lines	16:30	19:04	5h 34m	Airbus A321neo family
Mon, Oct 26	AS 218	Alaska Airlines, Inc.	16:35	19:01	5h 26m	Boeing 737 MAX 9
Mon, Oct 26	DL 714	Delta Air Lines	19:30	22:03	5h 33m	Boeing 757-300
Mon, Oct 26	DL 903	Delta Air Lines	21:15	23:52	5h 37m	Airbus A321neo family

Showing the first 40 of 70 scheduled ATL to SEA departures across 7 days with service, starting October 23, 2026. 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 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 ATL to SEA date on the interactive map

Aircraft on the Atlanta to Seattle nonstop

In the schedule table on this page, Delta Air Lines flies the Airbus A321neo family, the Boeing 737-900, and the Boeing 757-300, and Alaska Airlines flies the Boeing 737 MAX 9, the Boeing 737-800, and 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 ATL to SEA departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines, segment by segment and date by date. Open the calendar for Atlanta to Seattle 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 Atlanta to Seattle departures from October 19 to November 1. Delta Air Lines had space open on 14 of 14 dates checked and Alaska Airlines on 5 of 14.

See real availability

Confirmed upgrade or award seats by date on the ATL to SEA 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 ATL to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Atlanta to Seattle nonstop

Carriers operating ATL to SEA nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See ATL to SEA on the interactive map →

Frequently asked questions about ATL to SEA

How long is the flight from Atlanta (ATL) to Seattle (SEA)?

Scheduled flight times from Atlanta (ATL) to Seattle (SEA) run from 5h 25m to 5h 38m across the departures in the schedule table on this page. The nonstop covers about 2,178 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

Which airlines fly nonstop from ATL to SEA?

Delta Air Lines and Alaska Airlines fly ATL to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines.

How many flights a week are there from ATL to SEA?

About 62 nonstop flights a week run between Atlanta (ATL) and Seattle (SEA) in the current schedule, operated by Delta Air Lines and Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.

What time do flights from ATL to SEA depart?

Scheduled ATL to SEA nonstops in the next 7 days with service leave between 07:03 and 21:15, local time at Atlanta. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

Which flights operate ATL to SEA nonstop?

The schedule table on this page lists 10 flight numbers for ATL to SEA nonstops, including DL 444, DL 472, DL 481, DL 629, and DL 774 on Delta Air Lines, and AS 218, AS 348, and AS 377 on Alaska Airlines. The table lists each departure by date with its times and aircraft.

How do I check upgrade or award availability on ATL to SEA?

Open the ATL to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines and Alaska Airlines, 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.