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

Columbus → Chicago via Boston: arrives on time 28%

  1. 17:40 CMH → 19:50 BOS
    DL 5653 · Delta, flown by Republic · 2h 13m · 68% on time, 4.1% cancelled
  2. 55m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 20:45 BOS → 22:39 ORD
    DL 2804 · Delta · 2h 57m · 47% on time, 6.4% cancelled

Total trip 6h 02m, scheduled departure to arrival (Chicago is 1 h behind Columbus). Times are local. Both flew on 48 of the last 56 days.

Makes the connection66%The first flight arrived more than 10 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time28%First flight not cancelled (4.1% are) × connection made (66%) × second flight not cancelled (6.4% are) and within 15 minutes (47%).
Total trip6h 02mCMH 17:40 to ORD 22:39, 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.