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

Chattanooga → Chicago via Detroit: arrives on time 45%

  1. 15:00 CHA → 16:58 DTW
    DL 5117 · Delta, flown by Endeavor · 1h 58m · 79% on time, 0.0% cancelled
  2. 1h 00m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 17:58 DTW → 18:29 ORD
    DL 1084 · Delta · 1h 31m · 61% on time, 6.9% cancelled

Total trip 4h 29m, scheduled departure to arrival (Chicago is 1 h behind Chattanooga). Times are local. Both flew on 41 of the last 56 days.

Makes the connection79%The first flight arrived more than 15 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time45%First flight not cancelled (0.0% are) × connection made (79%) × second flight not cancelled (6.9% are) and within 15 minutes (61%).
Total trip4h 29mCHA 15:00 to ORD 18:29, 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.