--- title: "Atlanta (ATL) to Seattle (SEA) flights: who flies it" description: "Delta Air Lines and Alaska Airlines fly nonstop from ATL to SEA, about 62 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/atl-sea" url: "https://2lnr.com/routes/atl-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # Atlanta to Seattle (ATL-SEA): nonstop upgrade & award space Delta Air Lines and Alaska Airlines fly nonstop between Atlanta (ATL) and Seattle (SEA), roughly 62 times a week. The timetable below shows the nonstop scheduled at 5h 25m to 5h 38m for the 2,178 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines and Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See ATL to SEA on the interactive map [Get started free](https://2lnr.com/login) 62 Flights a week, 4-week average 5h 25m to 5h 38m Scheduled flight time 2,178 mi Nonstop distance Free To get started ## 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](https://2lnr.com/seatmaps/as/737-max-9.md) | | Fri, Oct 23 | DL 444 | Delta Air Lines | 07:25 | 10:03 | 5h 38m | [Airbus A321neo family](https://2lnr.com/seatmaps/dl/a321neo.md) | | Fri, Oct 23 | AS 348 | Alaska Airlines, Inc. | 09:03 | 11:28 | 5h 25m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | 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](https://2lnr.com/seatmaps/dl/737-900.md) | | 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](https://2lnr.com/seatmaps/as/737-800.md) | | Fri, Oct 23 | DL 714 | Delta Air Lines | 19:30 | 22:03 | 5h 33m | [Boeing 757-300](https://2lnr.com/seatmaps/dl/757-300.md) | | 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](https://2lnr.com/seatmaps/dl/a321neo.md), the [Boeing 737-900](https://2lnr.com/seatmaps/dl/737-900.md), and the [Boeing 757-300](https://2lnr.com/seatmaps/dl/757-300.md), and Alaska Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md), the [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.md), and the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md). 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. - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) 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. Flying the other way? See [SEA to ATL upgrade and award space](https://2lnr.com/routes/sea-atl.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md) or [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Atlanta (ATL)](https://2lnr.com/routes/atl.md), or [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md). Nonstops from Atlanta (ATL) to other airports within 150 miles of Seattle (SEA): - [Atlanta (ATL) to Vancouver (YVR)](https://2lnr.com/routes/atl-yvr.md), 127 miles from SEA - [Atlanta (ATL) to Portland (PDX)](https://2lnr.com/routes/atl-pdx.md), 129 miles from SEA Distances are great-circle between the airports, not driving distance. - [How Delta upgrades clear](https://2lnr.com/about/dl/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss ATL to SEA upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)