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

Boston → Columbus via Chicago: arrives on time 21%

  1. 17:38 BOS → 19:59 ORD
    AA 1592 · American · 3h 21m · 38% on time, 8.3% cancelled
  2. 55m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 20:54 ORD → 23:32 CMH
    AA 4445 · American, flown by Republic · 1h 38m · 72% on time, 5.2% cancelled

Total trip 5h 54m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection33%The first flight arrived more than 10 minutes late on 67% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time21%First flight not cancelled (8.3% are) × connection made (33%) × second flight not cancelled (5.2% are) and within 15 minutes (72%).
Total trip5h 54mBOS 17:38 to CMH 23:32, 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.