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

San Diego → Boston via Chicago: arrives on time 30%

  1. 09:58 SAN → 16:29 ORD
    AA 2484 · American · 4h 32m · 77% on time, 0.0% cancelled
  2. 52m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 17:21 ORD → 20:59 BOS
    AA 1461 · American · 2h 39m · 46% on time, 6.7% cancelled

Total trip 8h 02m, scheduled departure to arrival (Boston is 3 h ahead of San Diego). Times are local. Both flew on 56 of the last 56 days.

Makes the connection68%The first flight arrived more than 7 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time30%First flight not cancelled (0.0% are) × connection made (68%) × second flight not cancelled (6.7% are) and within 15 minutes (46%).
Total trip8h 02mSAN 09:58 to BOS 20:59, 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.