Home / Routes / KSEA → KSAN5,378 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to San Diego International Airport (KSAN) in San Diego. SkyMeter tracks roughly 5,378 scheduled flights on this route across 19 carriers. The most active operator is ASA (ASA). Average block time is 2h 37m. Departures average 30 minutes off schedule, with 61% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
5,378
last 494 days
ADS-B observed
1,168
Airlines
19
Avg dep delay
30m
Late >15 min
61.0%
Cancel rate
0.82%

Recent observed flights

From ADS-B trace data

2026-09-08 20:06  →  2026-09-08 22:46  ·  2h 39m
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2026-09-08 18:36  →  2026-09-08 21:12  ·  2h 35m
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2026-09-08 17:33  →  2026-09-08 19:58  ·  2h 24m
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2026-09-08 16:34  →  2026-09-08 19:15  ·  2h 41m
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2026-09-08 15:49  →  2026-09-08 18:33  ·  2h 44m
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2026-09-08 15:18  →  2026-09-08 17:39  ·  2h 20m
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2026-09-08 14:08  →  2026-09-08 16:54  ·  2h 46m
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2026-09-08 03:49  →  2026-09-08 06:28  ·  2h 38m
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2026-09-08 03:25  →  2026-09-08 06:08  ·  2h 42m
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2026-09-08 03:22  →  2026-09-08 05:47  ·  2h 24m
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Codeshare partnerships

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

sells ASA 2740
sells ASA 2372
sells ASA 1485
sells ASA 1000
sells ASA 768
sells DAL 724
sells ASA 722
sells DAL 670
sells ASA 643
sells DAL 573
sells DAL 539
sells DAL 536
sells ASA 502
sells ASA 447
sells ASA 330
sells DAL 169
sells ASA 138
sells ASA 106
sells DAL 72
sells DAL 60

Looking for the return flight?

View KSAN → KSEA