Home / Routes / KCHS → KSEA360 scheduled

The route from Charleston Air Force Base-International Airport (KCHS) in Charleston to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 360 scheduled flights on this route across 8 carriers. The most active operator is ASA (ASA). Average block time is 5h 51m. Departures average 26 minutes off schedule, with 62% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
360
last 445 days
ADS-B observed
74
Airlines
8
Avg dep delay
26m
Late >15 min
61.7%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-07-18 22:17  →  2026-07-19 03:46  ·  5h 29m
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2026-07-17 22:16  →  2026-07-18 03:25  ·  5h 8m
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2026-07-16 22:55  →  2026-07-17 04:11  ·  5h 15m
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2026-07-14 22:28  →  2026-07-15 03:45  ·  5h 16m
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2026-07-13 22:16  →  2026-07-14 03:49  ·  5h 32m
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2026-07-12 22:28  →  2026-07-13 04:04  ·  5h 35m
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2026-07-11 22:51  →  2026-07-12 04:12  ·  5h 20m
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2026-07-11 00:29  →  2026-07-11 05:48  ·  5h 18m
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2026-07-09 22:17  →  2026-07-10 03:53  ·  5h 36m
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2026-07-09 00:47  →  2026-07-09 06:19  ·  5h 31m
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Codeshare partnerships

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

sells ASA 339

Looking for the return flight?

View KSEA → KCHS