Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Chicago via Phoenix: arrives on time 70%
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08:04 SFO → 10:10 PHXUA 2374 · United · 2h 06m · 92% on time, 1.2% cancelled
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1h 02m layover in Phoenix (PHX) · 45 min minimum on one ticket
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11:12 PHX → 16:54 ORDUA 1748 · United · 3h 42m · 78% on time, 1.2% cancelled
Total trip 6h 50m, scheduled departure to arrival (Chicago is 2 h ahead of San Francisco). Times are local. Both flew on 28 of the last 56 days.
Makes the connection92%The first flight arrived more than 17 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time70%First flight not cancelled (1.2% are) × connection made (92%) × second flight not cancelled (1.2% are) and within 15 minutes (78%).
Total trip6h 50mSFO 08:04 to ORD 16:54, 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.