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

Boston → San Diego via Los Angeles: arrives on time 56%

  1. 18:26 BOS → 21:51 LAX
    UA 639 · United · 6h 25m · 67% on time, 0.0% cancelled
  2. 1h 05m layover in Los Angeles (LAX) · 45 min minimum on one ticket
  3. 22:56 LAX → 23:54 SAN
    UA 594 · United · 58m · 80% on time, 0.0% cancelled

Total trip 8h 28m, scheduled departure to arrival (San Diego is 3 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection70%The first flight arrived more than 20 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time56%First flight not cancelled (0.0% are) × connection made (70%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip8h 28mBOS 18:26 to SAN 23:54, 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.