Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Aspen → San Francisco via Denver: arrives on time 46%

  1. 07:30 ASE → 08:48 DEN
    UA 5766 · United, flown by SkyWest · 1h 18m · 89% on time, 3.9% cancelled
  2. 3h 37m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 12:25 DEN → 14:09 SFO
    UA 1450 · United · 2h 44m · 48% on time, 0.0% cancelled

Total trip 7h 39m, scheduled departure to arrival (San Francisco is 1 h behind Aspen). Times are local. Both flew on 27 of the last 56 days.

Makes the connection99%The first flight arrived more than 172 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 37m layover.
Arrives on time46%First flight not cancelled (3.9% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (48%).
Total trip7h 39mASE 07:30 to SFO 14:09, 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.