Home / Routes / KSAT → KSEA697 scheduled

The route from San Antonio International Airport (KSAT) in San Antonio to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 697 scheduled flights on this route across 9 carriers. The most active operator is ASA (ASA). Average block time is 4h 19m. Departures average 29 minutes off schedule, with 49% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
697
last 445 days
ADS-B observed
160
Airlines
9
Avg dep delay
29m
Late >15 min
48.8%
Cancel rate
1.15%

Recent observed flights

From ADS-B trace data

2026-07-19 13:53  →  2026-07-19 17:50  ·  3h 57m
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2026-07-18 21:48  →  2026-07-19 01:53  ·  4h 5m
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2026-07-18 21:43  →  2026-07-19 01:41  ·  3h 57m
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2026-07-18 12:13  →  2026-07-18 16:11  ·  3h 58m
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2026-07-17 21:58  →  2026-07-18 02:20  ·  4h 22m
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2026-07-17 11:40  →  2026-07-17 15:59  ·  4h 19m
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2026-07-16 22:49  →  2026-07-17 02:46  ·  3h 56m
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2026-07-16 11:56  →  2026-07-16 16:28  ·  4h 31m
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2026-07-15 21:08  →  2026-07-16 02:20  ·  5h 11m
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2026-07-14 21:37  →  2026-07-15 01:48  ·  4h 10m
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Codeshare partnerships

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

sells ASA 560
sells ASA 509
sells ASA 257
sells ASA 75

Looking for the return flight?

View KSEA → KSAT