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

San Francisco → Boston via Minneapolis: arrives on time 67%

  1. 06:00 SFO → 11:35 MSP
    DL 2178 · Delta · 3h 35m · 94% on time, 1.1% cancelled
  2. 1h 11m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 12:46 MSP → 16:45 BOS
    DL 2558 · Delta · 2h 59m · 70% on time, 0.4% cancelled

Total trip 7h 45m, scheduled departure to arrival (Boston is 3 h ahead of San Francisco). Times are local. Both flew on 49 of the last 56 days.

Makes the connection96%The first flight arrived more than 26 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time67%First flight not cancelled (1.1% are) × connection made (96%) × second flight not cancelled (0.4% are) and within 15 minutes (70%).
Total trip7h 45mSFO 06:00 to BOS 16:45, 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.