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

Chicago → Columbus via Boston: arrives on time 45%

  1. 13:57 ORD → 17:36 BOS
    AA 1554 · American · 2h 39m · 57% on time, 4.2% cancelled
  2. 1h 19m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 18:55 BOS → 21:16 CMH
    AA 4641 · American, flown by Republic · 2h 21m · 69% on time, 3.6% cancelled

Total trip 6h 19m, scheduled departure to arrival (Columbus is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection71%The first flight arrived more than 34 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time45%First flight not cancelled (4.2% are) × connection made (71%) × second flight not cancelled (3.6% are) and within 15 minutes (69%).
Total trip6h 19mORD 13:57 to CMH 21:16, 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.