How long is the KE42 flight from Seattle to Seoul?

The timetable allows 11 h 55 min. Seattle to Seoul is 8,373 km (5,203 mi).

Which terminal does KE42 use?

It usually arrives at Terminal 2 at Seoul Incheon International Airport (ICN). Check the flight card above for today's terminal and gate.

What other flight numbers does KE42 have?

Also listed as KAL42 (Korean Air's ICAO code) and KE 42.

KE42 Flight Status Korean Air: Seattle to Seoul (KAL42)

Korean Air KE 42

Landed On Time

SEA Seattle

Scheduled: 11:00
Actual: 11:29

Gate: S12

Departure: Fri, Nov 13, 2026 · local time PST

Seattle Tacoma International Airport (SEA)

All SEA Departures >

ICN Seoul

Scheduled: 15:55
Actual: 15:44
Delay

Terminal: 2 | Gate: 242

Arrival: Sat, Nov 14, 2026 · local time UTC+9

Seoul Incheon International Airport (ICN)

All ICN Arrivals >

Landed 3h 41m ago 100%

SEA 11:29 ICN 15:44 ⁺¹

8,373 km (5,203 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 8373 km / 5203 miles · Scheduled Duration: 11:55 · Actual Duration: 11:15

KE 42 Flight Status & Schedule Korean Air Seattle to Seoul

Date	From	To	Departure	Arrival	Status	Details
Nov 13	SEA	ICN	11:29	15:44	Landed	Track >
Nov 12	SEA	ICN	11:44	15:43	Landed	Track >
Nov 11	SEA	ICN	11:24	15:28	Landed	Track >
Nov 10	SEA	ICN	11:48	15:56	Landed	Track >
Nov 09	SEA	ICN	11:48	15:54	Landed	Track >
Nov 08	SEA	ICN	11:31	16:08	Landed	Track >
Nov 07	SEA	ICN	11:21	15:16	Landed	Track >
Nov 06	SEA	ICN	11:23	15:49	Landed	Track >
Nov 05	SEA	ICN	11:34	16:07	Landed	Track >
Nov 04	SEA	ICN	11:42	16:12	Landed Late	Track >

Korean Air's Seattle–Seoul flight covers 8,373 km (5,203 mi) and runs six times a week: Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Its timetable allows 11 h 55 min; in practice it usually takes about 11 h 10 min, so it often makes up time. Yesterday it left 29 minutes late and still landed at 15:44 the next day, 11 minutes early.

< All Seattle SEA Departures All Seoul ICN Arrivals >

About KE 42

Korean Air Flight KE42 connects Seattle, United States to Seoul, South Korea, taking off from Seattle Tacoma International Airport SEA and landing at Seoul Incheon International Airport ICN.

Route: Seattle Tacoma International Airport SEA to Seoul Incheon International Airport ICN
Distance: 8,373 km (5,203 mi)
Typical flight time: 11 h 10 min
Flies: Mon, Tue, Wed, Thu, Fri, Sun
On time: 9 of the last 10
Average delay when late: 17 min

KE 42 FAQ

How long is the KE42 flight from Seattle to Seoul?: The timetable allows 11 h 55 min. Seattle to Seoul is 8,373 km (5,203 mi).
How often is KE42 from Seattle to Seoul late?: 1 of the last 10 flights arrived 15 or more minutes late; when late, by 17 minutes on average.
When was the latest KE42 flight from Seattle to Seoul?: The latest KE42 was the 11:00 (local time) departure from Seattle on 13 November 2026; it landed 11 minutes early.
Which days does KE42 fly from Seattle to Seoul?: Six times a week: Monday, Tuesday, Wednesday, Thursday, Friday and Sunday, based on the schedule of the last 7 days.
Which terminal does KE42 use?: It usually arrives at Terminal 2 at Seoul Incheon International Airport (ICN). Check the flight card above for today's terminal and gate.
What other flight numbers does KE42 have?: Also listed as KAL42 (Korean Air's ICAO code) and KE 42.

Korean Air KE42 News

Incident KE42 - Korean A332 at Seoul on Dec 22nd 2022, engine shut down in flight

KE42 and Seattle SEA to Seoul ICN Flights

Flight KE42 is code-shared by 1 airline using the flight number DL7838

Other flights departing from Seattle SEA: DL1412, OO4068

Other flights arriving at Seoul ICN: OZ101, LJ396, MU891

All flights connecting Seattle SEA to Seoul ICN.