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

Boston → San Diego via Chicago: arrives on time 17%

  1. 17:38 BOS → 19:59 ORD
    AA 1592 · American · 3h 21m · 38% on time, 8.3% cancelled
  2. 1h 11m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:10 ORD → 23:26 SAN
    AA 2457 · American · 4h 16m · 45% on time, 5.6% cancelled

Total trip 8h 48m, scheduled departure to arrival (San Diego is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection43%The first flight arrived more than 26 minutes late on 57% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time17%First flight not cancelled (8.3% are) × connection made (43%) × second flight not cancelled (5.6% are) and within 15 minutes (45%).
Total trip8h 48mBOS 17:38 to SAN 23:26, 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.