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

Chicago → Aspen via Atlanta: arrives on time 69%

  1. 05:30 ORD → 08:33 ATL
    DL 1264 · Delta · 2h 03m · 91% on time, 1.6% cancelled
  2. 1h 12m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:45 ATL → 11:23 ASE
    DL 4011 · Delta, flown by SkyWest · 3h 38m · 77% on time, 1.5% cancelled

Total trip 6h 53m, scheduled departure to arrival (Aspen is 1 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 27 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time69%First flight not cancelled (1.6% are) × connection made (93%) × second flight not cancelled (1.5% are) and within 15 minutes (77%).
Total trip6h 53mORD 05:30 to ASE 11:23, 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.