Home / Routes / RKSI → KSEA1,371 scheduled

The route from Incheon International Airport (RKSI) in Seoul to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 1,371 scheduled flights on this route across 5 carriers. The most active operator is DAL (DAL). Average block time is 9h 21m. Departures average 38 minutes off schedule, with 72% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 787-10 Dreamliner.

Scheduled
1,371
last 479 days
ADS-B observed
301
Airlines
5
Avg dep delay
38m
Late >15 min
71.9%
Cancel rate
0.66%

Recent observed flights

From ADS-B trace data

2026-08-27 13:06  →  2026-08-27 22:23  ·  9h 16m
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2026-08-27 11:58  →  2026-08-27 22:09  ·  10h 11m
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2026-08-27 08:07  →  2026-08-27 17:41  ·  9h 34m
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2026-08-27 04:06  →  2026-08-27 13:59  ·  9h 53m
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2026-08-26 10:10  →  2026-08-26 20:23  ·  10h 12m
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2026-08-26 08:12  →  2026-08-26 17:49  ·  9h 37m
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2026-08-25 13:14  →  2026-08-25 23:16  ·  10h 2m
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2026-08-25 10:07  →  2026-08-25 20:28  ·  10h 21m
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2026-08-25 07:52  →  2026-08-25 17:30  ·  9h 37m
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2026-08-24 13:01  →  2026-08-24 23:06  ·  10h 5m
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Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells DAL 370
sells KAL 359
sells AAR 298
sells AAR 298
sells AAR 298
sells HAL 108
sells ASA 54

Looking for the return flight?

View KSEA → RKSI