Home / Routes / KSLC → KSEA4,732 scheduled

The route from Salt Lake City International Airport (KSLC) in Salt Lake City to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 4,732 scheduled flights on this route across 16 carriers. The most active operator is DAL (DAL). Average block time is 2h 8m. Departures average 30 minutes off schedule, with 52% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
4,732
last 480 days
ADS-B observed
1,040
Airlines
16
Avg dep delay
30m
Late >15 min
51.9%
Cancel rate
1.10%

Recent observed flights

From ADS-B trace data

2026-08-24 17:54  →  2026-08-24 19:54  ·  1h 59m
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2026-08-24 16:30  →  2026-08-24 19:00  ·  2h 30m
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2026-08-24 00:00  →  2026-08-24 02:00  ·  2h 0m
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2026-08-23 21:51  →  2026-08-23 23:57  ·  2h 5m
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2026-08-23 21:29  →  2026-08-23 23:39  ·  2h 9m
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2026-08-23 19:48  →  2026-08-23 21:42  ·  1h 54m
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2026-08-23 19:05  →  2026-08-23 21:04  ·  1h 59m
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2026-08-23 17:56  →  2026-08-23 19:49  ·  1h 52m
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2026-08-23 16:31  →  2026-08-23 18:27  ·  1h 56m
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2026-08-23 13:51  →  2026-08-23 15:47  ·  1h 55m
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Codeshare partnerships

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

sells ASA 1765
sells ASA 1516
sells DAL 1218
sells ASA 994
sells ASA 878
sells DAL 708
sells DAL 705
sells ASA 603
sells DAL 591
sells ASA 542
sells DAL 491
sells ASA 455
sells DAL 365
sells ASA 354
sells ASA 129
sells FFT 108
sells ASA 75
sells DAL 65
sells ASA 35
sells DAL 6

Looking for the return flight?

View KSEA → KSLC