Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Francisco via Chicago: arrives on time 72%
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10:20 STL → 11:52 ORDUA 4517 · United, flown by GoJet · 1h 32m · 90% on time, 1.4% cancelled
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2h 38m layover in Chicago (ORD) · 45 min minimum on one ticket
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14:30 ORD → 17:19 SFOUA 1577 · United · 4h 49m · 74% on time, 1.1% cancelled
Total trip 8h 59m, scheduled departure to arrival (San Francisco is 2 h behind St Louis). Times are local. Both flew on 51 of the last 56 days.
Makes the connection100%The first flight arrived more than 113 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 38m layover.
Arrives on time72%First flight not cancelled (1.4% are) × connection made (100%) × second flight not cancelled (1.1% are) and within 15 minutes (74%).
Total trip8h 59mSTL 10:20 to SFO 17:19, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.