Home / Routes / KSAN → KSEA4,604 scheduled

The route from San Diego International Airport (KSAN) in San Diego to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 4,604 scheduled flights on this route across 11 carriers. The most active operator is ASA (ASA). Average block time is 3h 7m. Departures average 31 minutes off schedule, with 70% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
4,604
last 396 days
ADS-B observed
254
Airlines
11
Avg dep delay
31m
Late >15 min
70.2%
Cancel rate
1.32%

Recent observed flights

From ADS-B trace data

2026-06-03 20:29  →  2026-06-03 23:14  ·  2h 44m
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2026-06-03 19:27  →  2026-06-03 22:18  ·  2h 51m
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2026-06-03 18:26  →  2026-06-03 21:15  ·  2h 49m
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2026-06-03 18:00  →  2026-06-03 20:55  ·  2h 55m
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2026-06-03 17:14  →  2026-06-03 20:09  ·  2h 54m
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2026-06-03 14:06  →  2026-06-03 17:14  ·  3h 8m
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2026-06-03 02:55  →  2026-06-03 05:39  ·  2h 44m
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2026-06-03 01:48  →  2026-06-03 04:50  ·  3h 2m
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2026-06-03 01:12  →  2026-06-03 04:05  ·  2h 53m
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2026-06-03 00:09  →  2026-06-03 02:58  ·  2h 48m
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Codeshare partnerships

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

sells ASA 2738
sells ASA 2337
sells ASA 1487
sells ASA 1072
sells DAL 1008
sells ASA 677
sells ASA 660
sells ASA 609
sells ASA 572
sells ASA 544
sells DAL 535
sells ASA 512
sells DAL 368
sells DAL 357
sells DAL 347
sells DAL 208
sells ASA 138
sells ASA 96

Looking for the return flight?

View KSEA → KSAN