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

Chicago → Grand Rapids via Atlanta: arrives on time 65%

  1. 15:22 ORD → 18:36 ATL
    DL 1477 · Delta · 2h 13m · 76% on time, 1.7% cancelled
  2. 1h 18m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:54 ATL → 21:51 GRR
    DL 2210 · Delta · 1h 57m · 80% on time, 0.4% cancelled

Total trip 5h 29m, scheduled departure to arrival (Grand Rapids is 1 h ahead of Chicago). Times are local. Both flew on 42 of the last 56 days.

Makes the connection83%The first flight arrived more than 33 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time65%First flight not cancelled (1.7% are) × connection made (83%) × second flight not cancelled (0.4% are) and within 15 minutes (80%).
Total trip5h 29mORD 15:22 to GRR 21:51, 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.