Home / Routes / KSEA → KCHS400 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Charleston Air Force Base-International Airport (KCHS) in Charleston. SkyMeter tracks roughly 400 scheduled flights on this route across 6 carriers. The most active operator is ASA (ASA). Average block time is 4h 51m. Departures average 29 minutes off schedule, with 71% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
400
last 479 days
ADS-B observed
82
Airlines
6
Avg dep delay
29m
Late >15 min
71.2%
Cancel rate
0.25%

Recent observed flights

From ADS-B trace data

2026-08-25 16:55  →  2026-08-25 21:38  ·  4h 42m
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2026-08-24 18:09  →  2026-08-24 23:01  ·  4h 52m
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2026-08-23 17:19  →  2026-08-23 22:03  ·  4h 43m
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2026-08-22 16:49  →  2026-08-22 21:58  ·  5h 8m
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2026-08-21 18:07  →  2026-08-21 22:47  ·  4h 40m
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2026-08-18 15:36  →  2026-08-18 20:37  ·  5h 1m
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2026-08-17 15:49  →  2026-08-17 20:38  ·  4h 48m
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2026-08-16 16:32  →  2026-08-16 21:26  ·  4h 53m
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2026-08-15 15:42  →  2026-08-15 20:44  ·  5h 1m
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2026-08-14 15:47  →  2026-08-14 20:55  ·  5h 7m
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Codeshare partnerships

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

sells ASA 338
sells JAG 2

Looking for the return flight?

View KCHS → KSEA