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

Indianapolis → Chicago via Atlanta: arrives on time 57%

  1. 18:40 IND → 20:26 ATL
    DL 3126 · Delta · 1h 46m · 83% on time, 1.7% cancelled
  2. 49m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:15 ATL → 22:17 MDW
    DL 1076 · Delta · 2h 02m · 77% on time, 2.5% cancelled

Total trip 4h 37m, scheduled departure to arrival (Chicago is 1 h behind Indianapolis). Times are local. Both flew on 55 of the last 56 days.

Makes the connection77%The first flight arrived more than 4 minutes late on 23% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time57%First flight not cancelled (1.7% are) × connection made (77%) × second flight not cancelled (2.5% are) and within 15 minutes (77%).
Total trip4h 37mIND 18:40 to MDW 22:17, 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.