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

Chicago → Grand Rapids via Atlanta: arrives on time 78%

  1. 05:30 ORD → 08:33 ATL
    DL 1264 · Delta · 2h 03m · 91% on time, 1.6% cancelled
  2. 1h 17m 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 5h 16m, 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 connection93%The first flight arrived more than 32 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 17m layover.
Arrives on time78%First flight not cancelled (1.6% are) × connection made (93%) × second flight not cancelled (3.1% are) and within 15 minutes (88%).
Total trip5h 16mORD 05:30 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.