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

San Francisco → Detroit via Minneapolis: arrives on time 86%

  1. 06:00 SFO → 11:35 MSP
    DL 2178 · Delta · 3h 35m · 94% on time, 1.1% cancelled
  2. 1h 20m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 12:55 MSP → 15:38 DTW
    DL 1519 · Delta · 1h 43m · 91% on time, 0.5% cancelled

Total trip 6h 38m, scheduled departure to arrival (Detroit is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 35 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time86%First flight not cancelled (1.1% are) × connection made (96%) × second flight not cancelled (0.5% are) and within 15 minutes (91%).
Total trip6h 38mSFO 06:00 to DTW 15:38, 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.