Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Aspen → San Francisco via Denver: arrives on time 32%
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17:10 ASE → 18:23 DENUA 5778 · United, flown by SkyWest · 1h 13m · 73% on time, 6.6% cancelled
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1h 11m layover in Denver (DEN) · 45 min minimum on one ticket
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19:34 DEN → 21:20 SFOUA 1389 · United · 2h 46m · 44% on time, 0.0% cancelled
Total trip 5h 10m, scheduled departure to arrival (San Francisco is 1 h behind Aspen). Times are local. Both flew on 55 of the last 56 days.
Makes the connection79%The first flight arrived more than 26 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time32%First flight not cancelled (6.6% are) × connection made (79%) × second flight not cancelled (0.0% are) and within 15 minutes (44%).
Total trip5h 10mASE 17:10 to SFO 21:20, 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.