Home / Routes / KSTL → KSFO852 scheduled

The route from St Louis Lambert International Airport (KSTL) in St Louis to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 852 scheduled flights on this route across 13 carriers. The most active operator is UAL (UAL). Average block time is 4h 22m. Departures average 32 minutes off schedule, with 57% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 8.

Scheduled
852
last 445 days
ADS-B observed
145
Airlines
13
Avg dep delay
32m
Late >15 min
56.8%
Cancel rate
0.47%

Recent observed flights

From ADS-B trace data

2026-07-19 06:23  →  2026-07-19 09:58  ·  3h 35m
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2026-07-19 00:36  →  2026-07-19 04:30  ·  3h 54m
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2026-07-18 01:43  →  2026-07-18 05:44  ·  4h 1m
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2026-07-17 13:27  →  2026-07-17 17:08  ·  3h 41m
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2026-07-17 02:10  →  2026-07-17 06:04  ·  3h 54m
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2026-07-16 14:52  →  2026-07-16 18:20  ·  3h 28m
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2026-07-16 00:35  →  2026-07-16 04:35  ·  4h 0m
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2026-07-15 02:08  →  2026-07-15 05:40  ·  3h 31m
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2026-07-13 14:48  →  2026-07-13 18:17  ·  3h 28m
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2026-07-13 00:57  →  2026-07-13 04:34  ·  3h 36m
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View KSFO → KSTL