Home / Routes / RKSI → KSEA1,532 scheduled

The route from Incheon International Airport (RKSI) in Seoul to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 1,532 scheduled flights on this route across 5 carriers. The most active operator is DAL (DAL). Average block time is 8h 20m. Departures average 38 minutes off schedule, with 64% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 787-9 Dreamliner.

Scheduled
1,532
last 542 days
ADS-B observed
286
Airlines
5
Avg dep delay
38m
Late >15 min
64.4%
Cancel rate
0.59%

Recent observed flights

From ADS-B trace data

2026-10-26 12:41  →  2026-10-26 22:07  ·  9h 26m
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2026-10-26 11:16  →  2026-10-26 20:46  ·  9h 30m
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2026-10-26 09:44  →  2026-10-26 19:13  ·  9h 28m
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2026-10-26 07:46  →  2026-10-26 17:08  ·  9h 21m
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2026-10-25 12:27  →  2026-10-25 21:59  ·  9h 31m
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2026-10-25 11:22  →  2026-10-25 20:42  ·  9h 19m
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2026-10-25 09:52  →  2026-10-25 20:21  ·  10h 28m
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2026-10-25 07:25  →  2026-10-25 17:04  ·  9h 38m
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2026-10-24 11:15  →  2026-10-24 21:09  ·  9h 53m
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2026-10-24 10:13  →  2026-10-24 20:38  ·  10h 24m
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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