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

Chattanooga → Chicago via Atlanta: arrives on time 66%

  1. 06:40 CHA → 07:36 ATL
    DL 5039 · Delta, flown by Endeavor · 58m · 84% on time, 3.8% cancelled
  2. 1h 26m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:02 ATL → 10:13 ORD
    DL 1147 · Delta · 2h 11m · 80% on time, 2.8% cancelled

Total trip 4h 33m, scheduled departure to arrival (Chicago is 1 h behind Chattanooga). Times are local. Both flew on 53 of the last 56 days.

Makes the connection88%The first flight arrived more than 41 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 26m layover.
Arrives on time66%First flight not cancelled (3.8% are) × connection made (88%) × second flight not cancelled (2.8% are) and within 15 minutes (80%).
Total trip4h 33mCHA 06:40 to ORD 10:13, 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.