tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Philadelphia → San Francisco via Boston: arrives on time 79%

  1. 06:00 PHL → 07:30 BOS
    DL 5740 · Delta, flown by Republic · 1h 30m · 92% on time, 1.9% cancelled
  2. 2h 20m layover in Boston (BOS) · 90 min minimum on separate tickets
  3. 09:50 BOS → 13:23 SFO
    B6 1833 · JetBlue · 6h 35m · 83% on time, 0.0% cancelled

Total trip 10h 25m, scheduled departure to arrival (San Francisco is 3 h behind Philadelphia). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 50 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 20m layover.
Arrives on time79%First flight not cancelled (1.9% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip10h 25mPHL 06:00 to SFO 13:23, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.