Home / Routes / KSTL → KBFI19 scheduled

The route from St Louis Lambert International Airport (KSTL) in St Louis to Boeing Field King County International Airport (KBFI) in Seattle. SkyMeter tracks roughly 19 scheduled flights on this route across 5 carriers. The most active operator is EJA (EJA). Average block time is 3h 48m. Departures average 18 minutes off schedule, with 26% running more than 15 minutes late. The most common aircraft on this route is the GULFSTREAM AEROSPACE Gulfstream IV/G400.

Scheduled
19
last 370 days
ADS-B observed
5
Airlines
5
Avg dep delay
18m
Late >15 min
26.3%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-06-18 17:51  →  2026-06-18 21:58  ·  4h 7m
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2026-06-14 18:28  →  2026-06-14 22:32  ·  4h 3m
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2026-06-04 21:12  →  2026-06-05 01:53  ·  4h 40m
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2026-05-07 21:37  →  2026-05-08 01:45  ·  4h 8m
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2026-04-26 21:28  →  2026-04-27 01:16  ·  3h 47m
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2026-03-09 21:21  →  2026-03-10 01:40  ·  4h 19m
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2026-03-08 05:40  →  2026-03-08 09:52  ·  4h 11m
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2026-01-11 21:45  →  2026-01-12 01:55  ·  4h 10m
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2026-01-07 00:51  →  2026-01-07 05:03  ·  4h 11m
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2026-01-06 23:21  →  2026-01-07 03:39  ·  4h 17m
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View KBFI → KSTL