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

Chicago → Grand Rapids via Atlanta: arrives on time 75%

  1. 06:00 MDW → 08:55 ATL
    DL 1285 · Delta · 1h 55m · 90% on time, 2.7% cancelled
  2. 55m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:50 ATL → 11:46 GRR
    DL 2547 · Delta · 1h 56m · 88% on time, 3.1% cancelled

Total trip 4h 46m, scheduled departure to arrival (Grand Rapids is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection90%The first flight arrived more than 10 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time75%First flight not cancelled (2.7% are) × connection made (90%) × second flight not cancelled (3.1% are) and within 15 minutes (88%).
Total trip4h 46mMDW 06:00 to GRR 11:46, 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.