Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Aspen → Chicago via Atlanta: arrives on time 65%

  1. 07:36 ASE → 13:09 ATL
    DL 3924 · Delta, flown by SkyWest · 3h 33m · 87% on time, 2.8% cancelled
  2. 2h 21m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 15:30 ATL → 16:57 ORD
    UA 516 · United · 2h 27m · 74% on time, 1.1% cancelled

Total trip 8h 21m, scheduled departure to arrival (Chicago is 1 h ahead of Aspen). Times are local. Both flew on 54 of the last 56 days.

Makes the connection91%The first flight arrived more than 51 minutes late on 9% of the days it flew: too late for the 90-minute minimum connection on a 2h 21m layover.
Arrives on time65%First flight not cancelled (2.8% are) × connection made (91%) × second flight not cancelled (1.1% are) and within 15 minutes (74%).
Total trip8h 21mASE 07:36 to ORD 16:57, 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.