Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Francisco via Dulles: arrives on time 77%
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15:53 ORD → 19:02 IADUA 2437 · United · 2h 09m · 71% on time, 1.6% cancelled
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3h 19m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:21 IAD → 01:15 SFO +1 dayUA 367 · United · 5h 54m · 84% on time, 0.6% cancelled
Total trip 11h 22m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection94%The first flight arrived more than 154 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 3h 19m layover.
Arrives on time77%First flight not cancelled (1.6% are) × connection made (94%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip11h 22mORD 15:53 to SFO 01:15, 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.