Home / Routes / KSEA → RKSI1,907 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Incheon International Airport (RKSI) in Seoul. SkyMeter tracks roughly 1,907 scheduled flights on this route across 7 carriers. The most active operator is KAL (KAL). Average block time is 11h 21m. Departures average 51 minutes off schedule, with 69% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus 350-900.

Scheduled
1,907
last 445 days
ADS-B observed
280
Airlines
7
Avg dep delay
51m
Late >15 min
69.0%
Cancel rate
0.31%

Recent observed flights

From ADS-B trace data

2026-07-18 21:11  →  2026-07-19 08:14  ·  11h 2m
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2026-07-18 20:03  →  2026-07-19 07:07  ·  11h 3m
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2026-07-18 07:13  →  2026-07-18 17:58  ·  10h 44m
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2026-07-18 05:43  →  2026-07-18 16:44  ·  11h 1m
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2026-07-17 23:14  →  2026-07-18 10:31  ·  11h 17m
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2026-07-17 20:31  →  2026-07-18 07:04  ·  10h 32m
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2026-07-17 20:22  →  2026-07-18 07:16  ·  10h 53m
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2026-07-17 07:16  →  2026-07-17 18:35  ·  11h 19m
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2026-07-16 20:53  →  2026-07-17 07:53  ·  11h 0m
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2026-07-15 21:20  →  2026-07-16 08:34  ·  11h 14m
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Codeshare partnerships

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

sells KAL 360
sells DAL 360
sells AAR 298
sells AAR 298
sells AAR 298
sells HAL 107
sells ASA 55

Looking for the return flight?

View RKSI → KSEA