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

Boston → Philadelphia via Chicago: arrives on time 33%

  1. 17:38 BOS → 19:59 ORD
    AA 1592 · American · 3h 21m · 38% on time, 8.3% cancelled
  2. 1h 43m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:42 ORD → 00:55 PHL +1 day
    AA 490 · American · 2h 14m · 56% on time, 12.5% cancelled

Total trip 7h 18m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection74%The first flight arrived more than 58 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 1h 43m layover.
Arrives on time33%First flight not cancelled (8.3% are) × connection made (74%) × second flight not cancelled (12.5% are) and within 15 minutes (56%).
Total trip7h 18mBOS 17:38 to PHL 00:55, 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.