Home / Routes / KONT → KSFO1,515 scheduled

The route from Ontario International Airport (KONT) in Ontario to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 1,515 scheduled flights on this route across 18 carriers. The most active operator is UAL (UAL). Average block time is 1h 22m. Departures average 31 minutes off schedule, with 49% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
1,515
last 473 days
ADS-B observed
297
Airlines
18
Avg dep delay
31m
Late >15 min
48.6%
Cancel rate
0.53%

Recent observed flights

From ADS-B trace data

2026-08-16 16:50  →  2026-08-16 17:47  ·  57m
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2026-08-16 16:18  →  2026-08-16 17:24  ·  1h 5m
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2026-08-16 13:30  →  2026-08-16 14:29  ·  59m
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2026-08-15 18:42  →  2026-08-15 19:42  ·  59m
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2026-08-15 04:03  →  2026-08-15 05:26  ·  1h 23m
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2026-08-14 17:16  →  2026-08-14 18:12  ·  56m
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2026-08-14 13:27  →  2026-08-14 14:32  ·  1h 5m
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2026-08-14 04:27  →  2026-08-14 05:26  ·  58m
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2026-08-13 17:12  →  2026-08-13 18:07  ·  54m
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2026-08-13 16:17  →  2026-08-13 17:53  ·  1h 36m
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Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells UAL 1093
sells UAL 389
sells UAL 175
sells FFT 162

Looking for the return flight?

View KSFO → KONT