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

Chicago → Detroit via Atlanta: arrives on time 78%

  1. 06:35 ORD → 09:41 ATL
    DL 1247 · Delta · 2h 06m · 88% on time, 1.1% cancelled
  2. 1h 19m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:00 ATL → 12:55 DTW
    DL 1240 · Delta · 1h 56m · 85% on time, 0.3% cancelled

Total trip 5h 21m, scheduled departure to arrival (Detroit is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 34 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time78%First flight not cancelled (1.1% are) × connection made (93%) × second flight not cancelled (0.3% are) and within 15 minutes (85%).
Total trip5h 21mORD 06:35 to DTW 12:55, 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.