Home / Routes / KBFI → KONT551 scheduled

The route from Boeing Field King County International Airport (KBFI) in Seattle to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 551 scheduled flights on this route across 10 carriers. The most active operator is UPS (UPS). Average block time is 2h 16m. Departures average 19 minutes off schedule, with 14% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 767-300.

Scheduled
551
last 424 days
ADS-B observed
128
Airlines
10
Avg dep delay
19m
Late >15 min
14.5%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-07-03 12:31  →  2026-07-03 14:45  ·  2h 14m
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2026-07-03 02:30  →  2026-07-03 04:45  ·  2h 14m
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2026-07-03 01:02  →  2026-07-03 03:37  ·  2h 35m
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2026-07-02 12:30  →  2026-07-02 14:48  ·  2h 17m
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2026-07-02 02:35  →  2026-07-02 05:02  ·  2h 26m
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2026-07-02 01:03  →  2026-07-02 03:25  ·  2h 21m
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2026-07-01 12:32  →  2026-07-01 14:49  ·  2h 16m
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2026-07-01 12:32  →  2026-07-01 14:49  ·  2h 16m
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2026-07-01 02:33  →  2026-07-01 04:53  ·  2h 20m
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2026-07-01 02:33  →  2026-07-01 04:53  ·  2h 20m
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View KONT → KBFI