Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Francisco via Denver: arrives on time 63%
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12:56 ORD → 14:46 DENUA 1150 · United · 2h 50m · 87% on time, 0.0% cancelled
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1h 01m layover in Denver (DEN) · 45 min minimum on one ticket
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15:47 DEN → 17:30 SFOUA 2633 · United · 2h 43m · 73% on time, 0.0% cancelled
Total trip 6h 34m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 31 of the last 56 days.
Makes the connection87%The first flight arrived more than 16 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time63%First flight not cancelled (0.0% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (73%).
Total trip6h 34mORD 12:56 to SFO 17:30, 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.