Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → San Francisco via New York: arrives on time 80%
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05:15 BOS → 06:28 JFKB6 917 · JetBlue · 1h 13m · 94% on time, 3.5% cancelled
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1h 32m layover in New York (JFK) · 45 min minimum on one ticket
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08:00 JFK → 11:20 SFOB6 15 · JetBlue · 6h 20m · 87% on time, 3.4% cancelled
Total trip 9h 05m, scheduled departure to arrival (San Francisco is 3 h behind Boston). Times are local. Both flew on 44 of the last 56 days.
Makes the connection99%The first flight arrived more than 47 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time80%First flight not cancelled (3.5% are) × connection made (99%) × second flight not cancelled (3.4% are) and within 15 minutes (87%).
Total trip9h 05mBOS 05:15 to SFO 11:20, 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.