Home / Routes / KBFI → KONT574 scheduled

The route from Boeing Field King County International Airport (KBFI) in Seattle to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 574 scheduled flights on this route across 10 carriers. The most active operator is UPS (UPS). Average block time is 2h 13m. Departures average 18 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
574
last 466 days
ADS-B observed
120
Airlines
10
Avg dep delay
18m
Late >15 min
14.3%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-08-14 02:53  →  2026-08-14 05:13  ·  2h 20m
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2026-08-14 02:42  →  2026-08-14 05:03  ·  2h 20m
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2026-08-13 12:55  →  2026-08-13 15:14  ·  2h 19m
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2026-08-12 12:40  →  2026-08-12 14:58  ·  2h 17m
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2026-08-12 02:48  →  2026-08-12 05:06  ·  2h 17m
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2026-08-11 12:54  →  2026-08-11 15:05  ·  2h 11m
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2026-08-07 03:19  →  2026-08-07 05:38  ·  2h 18m
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2026-08-06 12:43  →  2026-08-06 14:53  ·  2h 9m
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2026-08-06 02:47  →  2026-08-06 04:49  ·  2h 1m
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2026-08-05 12:45  →  2026-08-05 14:46  ·  2h 0m
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View KONT → KBFI