Home / Routes / KBUF → KBFI8 scheduled

The route from Buffalo Niagara International Airport (KBUF) in Buffalo to Boeing Field King County International Airport (KBFI) in Seattle. SkyMeter tracks roughly 8 scheduled flights on this route across 1 carrier. The most active operator is ACA (ACA). Average block time is 4h 52m. Departures average 18 minutes off schedule, with 38% running more than 15 minutes late. The most common aircraft on this route is the IAI IAI Astra 1125.

Scheduled
8
last 284 days
ADS-B observed
1
Airlines
1
Avg dep delay
18m
Late >15 min
37.5%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-07-05 20:00  →  2026-07-06 00:47  ·  4h 47m
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2026-04-05 05:44  →  2026-04-05 10:49  ·  5h 4m
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2026-03-29 01:50  →  2026-03-29 07:26  ·  5h 35m
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2026-01-09 06:50  →  2026-01-09 11:36  ·  4h 46m
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2026-01-04 03:21  →  2026-01-04 08:30  ·  5h 8m
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2025-11-16 06:27  →  2025-11-16 11:56  ·  5h 29m
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2025-09-30 19:42  →  2025-10-01 00:32  ·  4h 50m
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2025-09-24 14:10  →  2025-09-24 18:41  ·  4h 31m
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2025-08-14 21:48  →  2025-08-15 03:41  ·  5h 52m
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Typical aircraft

Observed via ADS-B on this route

IAI IAI Astra 1125
ASTR
100%
of flights

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View KBFI → KBUF