Home / Routes / KBFI → KSEA503 scheduled

The route from Boeing Field King County International Airport (KBFI) in Seattle to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 503 scheduled flights on this route across 29 carriers. The most active operator is EJA (EJA). Average block time is 0h 24m. Departures average 9 minutes off schedule, with 8% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
503
last 479 days
ADS-B observed
54
Airlines
29
Avg dep delay
9m
Late >15 min
7.7%
Cancel rate
0.40%

Recent observed flights

From ADS-B trace data

2026-08-27 22:05  →  2026-08-27 22:22  ·  17m
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2026-08-27 20:32  →  2026-08-27 21:26  ·  53m
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2026-08-25 20:10  →  2026-08-25 21:51  ·  1h 41m
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2026-08-23 14:07  →  2026-08-23 14:45  ·  37m
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2026-08-22 22:56  →  2026-08-22 23:12  ·  16m
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2026-08-22 01:20  →  2026-08-22 01:37  ·  17m
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2026-08-21 11:47  →  2026-08-21 12:13  ·  25m
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2026-08-18 20:59  →  2026-08-18 21:36  ·  37m
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2026-08-18 18:45  →  2026-08-18 20:23  ·  1h 38m
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2026-08-13 19:36  →  2026-08-13 21:35  ·  1h 58m
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View KSEA → KBFI