Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Chicago via Denver: arrives on time 80%
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05:00 SFO → 08:35 DENUA 1479 · United · 2h 35m · 96% on time, 0.0% cancelled
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1h 00m layover in Denver (DEN) · 45 min minimum on one ticket
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09:35 DEN → 13:15 ORDUA 2329 · United · 2h 40m · 84% on time, 0.8% cancelled
Total trip 6h 15m, scheduled departure to arrival (Chicago is 2 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 15 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time80%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.8% are) and within 15 minutes (84%).
Total trip6h 15mSFO 05:00 to ORD 13:15, 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.