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

Aspen → San Francisco via Los Angeles: arrives on time 34%

  1. 12:03 ASE → 13:27 LAX
    DL 4133 · Delta, flown by SkyWest · 2h 24m · 72% on time, 3.9% cancelled
  2. 58m layover in Los Angeles (LAX) · 45 min minimum on one ticket
  3. 14:25 LAX → 15:44 SFO
    DL 2267 · Delta · 1h 23m · 50% on time, 1.4% cancelled

Total trip 4h 45m, scheduled departure to arrival (San Francisco is 1 h behind Aspen). Times are local. Both flew on 56 of the last 56 days.

Makes the connection72%The first flight arrived more than 13 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time34%First flight not cancelled (3.9% are) × connection made (72%) × second flight not cancelled (1.4% are) and within 15 minutes (50%).
Total trip4h 45mASE 12:03 to SFO 15:44, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.