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

Indianapolis → Chicago via Atlanta: arrives on time 42%

  1. 16:33 IND → 18:15 ATL
    DL 3138 · Delta · 1h 43m · 67% on time, 0.0% cancelled
  2. 1h 00m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:15 ATL → 20:33 ORD
    DL 2486 · Delta · 2h 17m · 66% on time, 5.7% cancelled

Total trip 4h 59m, scheduled departure to arrival (Chicago is 1 h behind Indianapolis). Times are local. Both flew on 53 of the last 56 days.

Makes the connection67%The first flight arrived more than 15 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time42%First flight not cancelled (0.0% are) × connection made (67%) × second flight not cancelled (5.7% are) and within 15 minutes (66%).
Total trip4h 59mIND 16:33 to ORD 20:33, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.