--- title: "Atlanta (ATL) to Seoul (ICN) flights: who flies it" description: "Delta Air Lines and Korean Air fly nonstop from ATL to ICN, about 28 flights a week, covering 7,138 miles. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/atl-icn" url: "https://2lnr.com/routes/atl-icn.md" date_modified: "2026-10-18T05:10:47Z" --- # Atlanta to Seoul (ATL-ICN): nonstop upgrade & award space Korean Air and Delta Air Lines fly nonstop between Atlanta (ATL) and Seoul (ICN), roughly 28 times a week. The timetable below shows the nonstop scheduled at 15h 20m to 16h for the 7,138 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines 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 22, 2026. See ATL to ICN on the interactive map [Get started free](https://2lnr.com/login) 28 Flights a week, 4-week average 15h 20m to 16h Scheduled flight time 7,138 mi Nonstop distance Free To get started ## Atlanta to Seoul flight schedule Scheduled nonstop departures for ATL to ICN starting October 21, 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 Seoul (ICN) | Date | Flight | Airline | Departs ATL | Arrives ICN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Wed, Oct 21 | DL 189 | Delta Air Lines | 09:20 | 14:10 | 15h 50m | [Airbus A350-900](https://2lnr.com/seatmaps/dl/a350-900.md) | | Wed, Oct 21 | KE 34 | Korean Air | 11:35 | 15:55 | 15h 20m | [Boeing 777-300ER](https://2lnr.com/seatmaps/ke/777-300er.md) | | Wed, Oct 21 | KE 36 | Korean Air | 13:25 | 17:50 | 15h 25m | Boeing 777-300ER | | Wed, Oct 21 | DL 27 | Delta Air Lines | 23:35 | 04:15 | 15h 40m | Airbus A350-900 | | Thu, Oct 22 | DL 189 | Delta Air Lines | 09:20 | 14:10 | 15h 50m | Airbus A350-900 | | Thu, Oct 22 | KE 34 | Korean Air | 11:35 | 15:55 | 15h 20m | Boeing 777-300ER | | Thu, Oct 22 | KE 36 | Korean Air | 13:25 | 17:50 | 15h 25m | Boeing 777-300ER | | Thu, Oct 22 | DL 27 | Delta Air Lines | 23:35 | 04:15 | 15h 40m | Airbus A350-900 | | Fri, Oct 23 | DL 189 | Delta Air Lines | 09:20 | 14:10 | 15h 50m | Airbus A350-900 | | Fri, Oct 23 | KE 34 | Korean Air | 11:35 | 15:55 | 15h 20m | Boeing 777-300ER | | Fri, Oct 23 | KE 36 | Korean Air | 13:25 | 17:50 | 15h 25m | Boeing 777-300ER | | Fri, Oct 23 | DL 27 | Delta Air Lines | 23:35 | 04:15 | 15h 40m | Airbus A350-900 | | Sat, Oct 24 | DL 189 | Delta Air Lines | 10:30 | 15:30 | 16h | Airbus A350-900 | | Sat, Oct 24 | KE 34 | Korean Air | 11:35 | 15:55 | 15h 20m | Boeing 777-300ER | | Sat, Oct 24 | KE 36 | Korean Air | 13:25 | 17:50 | 15h 25m | Boeing 777-300ER | | Sat, Oct 24 | DL 27 | Delta Air Lines | 23:50 | 04:45 | 15h 55m | Airbus A350-900 | | Sun, Oct 25 | DL 189 | Delta Air Lines | 10:30 | 15:30 | 16h | Airbus A350-900 | | Sun, Oct 25 | KE 34 | Korean Air | 11:45 | 16:40 | 15h 55m | Boeing 777-300ER | | Sun, Oct 25 | KE 36 | Korean Air | 13:25 | 18:20 | 15h 55m | Boeing 777-300ER | | Sun, Oct 25 | DL 27 | Delta Air Lines | 23:50 | 04:45 | 15h 55m | Airbus A350-900 | | Mon, Oct 26 | DL 189 | Delta Air Lines | 10:30 | 15:30 | 16h | Airbus A350-900 | | Mon, Oct 26 | KE 34 | Korean Air | 11:45 | 16:40 | 15h 55m | Boeing 777-300ER | | Mon, Oct 26 | KE 36 | Korean Air | 13:25 | 18:20 | 15h 55m | Boeing 777-300ER | | Mon, Oct 26 | DL 27 | Delta Air Lines | 23:50 | 04:45 | 15h 55m | Airbus A350-900 | | Tue, Oct 27 | DL 189 | Delta Air Lines | 10:30 | 15:30 | 16h | Airbus A350-900 | | Tue, Oct 27 | KE 34 | Korean Air | 11:45 | 16:40 | 15h 55m | Boeing 777-300ER | | Tue, Oct 27 | KE 36 | Korean Air | 13:25 | 18:20 | 15h 55m | Boeing 777-300ER | | Tue, Oct 27 | DL 27 | Delta Air Lines | 23:50 | 04:45 | 15h 55m | Airbus A350-900 | Showing all 28 scheduled ATL to ICN departures across 7 days with service, starting October 21, 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 ATL to ICN date on the interactive map ## Aircraft on the Atlanta to Seoul nonstop In the schedule table on this page, Delta Air Lines flies the [Airbus A350-900](https://2lnr.com/seatmaps/dl/a350-900.md), and Korean Air flies the [Boeing 777-300ER](https://2lnr.com/seatmaps/ke/777-300er.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 ICN departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Atlanta to Seoul to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Delta Air Lines award space was open on all 14 Atlanta to Seoul departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the ATL to ICN 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 ICN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Atlanta to Seoul nonstop Carriers operating ATL to ICN nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Korean Air (KE) route map](https://2lnr.com/routes/airlines/ke.md)\ [The aircraft KE flies](https://2lnr.com/seatmaps/ke.md) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) See ATL to ICN on the interactive map → ## Frequently asked questions about ATL to ICN **How long is the flight from Atlanta (ATL) to Seoul (ICN)?** Scheduled flight times from Atlanta (ATL) to Seoul (ICN) run from 15h 20m to 16h across the departures in the schedule table on this page. The nonstop covers about 7,138 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ATL to ICN?** Korean Air and Delta Air Lines fly ATL to ICN nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from ATL to ICN?** About 28 nonstop flights a week run between Atlanta (ATL) and Seoul (ICN) in the current schedule, operated by Korean Air 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 ATL to ICN depart?** Scheduled ATL to ICN nonstops in the next 7 days with service leave between 09:20 and 23:50, 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 ICN nonstop?** In the schedule table on this page, ATL to ICN nonstops fly as DL 27 and DL 189 on Delta Air Lines, and KE 34 and KE 36 on Korean Air. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on ATL to ICN?** Open the ATL to ICN route on the interactive map or the matrix to see confirmed upgrade and award space by date on 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. Flying the other way? See [ICN to ATL upgrade and award space](https://2lnr.com/routes/icn-atl.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from Atlanta (ATL)](https://2lnr.com/routes/atl.md), or [every route from Seoul (ICN)](https://2lnr.com/routes/icn.md). - [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 ICN 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)