Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Aspen → San Francisco via Chicago: arrives on time 59%
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09:00 ASE → 13:04 ORDUA 4669 · United, flown by SkyWest · 3h 04m · 71% on time, 2.5% cancelled
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1h 26m 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 9h 19m, scheduled departure to arrival (San Francisco is 1 h behind Aspen). Times are local. Both flew on 51 of the last 56 days.
Makes the connection83%The first flight arrived more than 41 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 1h 26m layover.
Arrives on time59%First flight not cancelled (2.5% are) × connection made (83%) × second flight not cancelled (1.1% are) and within 15 minutes (74%).
Total trip9h 19mASE 09:00 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.