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

Boston → San Francisco via New York: arrives on time 78%

  1. 05:15 BOS → 06:28 JFK
    B6 917 · JetBlue · 1h 13m · 94% on time, 3.5% cancelled
  2. 3h 02m layover in New York (JFK) · 90 min minimum on separate tickets
  3. 09:30 JFK → 12:52 SFO
    AS 227 · Alaska · 6h 22m · 82% on time, 2.3% cancelled

Total trip 10h 37m, scheduled departure to arrival (San Francisco is 3 h behind Boston). Times are local. Both flew on 50 of the last 56 days.

Makes the connection100%The first flight arrived more than 92 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 02m layover.
Arrives on time78%First flight not cancelled (3.5% are) × connection made (100%) × second flight not cancelled (2.3% are) and within 15 minutes (82%).
Total trip10h 37mBOS 05:15 to SFO 12:52, 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.