Home / Routes / KONT → KBFI313 scheduled

The route from Ontario International Airport (KONT) in Ontario to Boeing Field King County International Airport (KBFI) in Seattle. SkyMeter tracks roughly 313 scheduled flights on this route across 16 carriers. The most active operator is UPS (UPS). Average block time is 2h 22m. Departures average 27 minutes off schedule, with 62% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 767-300.

Scheduled
313
last 456 days
ADS-B observed
78
Airlines
16
Avg dep delay
27m
Late >15 min
61.7%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-08-14 09:32  →  2026-08-14 11:37  ·  2h 5m
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2026-08-13 09:05  →  2026-08-13 11:03  ·  1h 58m
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2026-08-12 09:18  →  2026-08-12 11:24  ·  2h 6m
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2026-08-11 09:24  →  2026-08-11 11:24  ·  1h 59m
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2026-08-07 09:27  →  2026-08-07 11:32  ·  2h 5m
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2026-08-06 09:09  →  2026-08-06 11:14  ·  2h 4m
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2026-08-05 15:01  →  2026-08-05 17:19  ·  2h 17m
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2026-08-04 09:20  →  2026-08-04 11:32  ·  2h 12m
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2026-08-03 05:52  →  2026-08-03 08:17  ·  2h 25m
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2026-07-31 09:08  →  2026-07-31 11:13  ·  2h 5m
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View KBFI → KONT