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

San Francisco → Detroit via Las Vegas: arrives on time 91%

  1. 05:00 SFO → 06:35 LAS
    WN 4231 · Southwest · 1h 35m · 90% on time, 0.0% cancelled
  2. 3h 24m layover in Las Vegas (LAS) · 90 min minimum on separate tickets
  3. 09:59 LAS → 16:59 DTW
    DL 470 · Delta · 4h 00m · 91% on time, 0.3% cancelled

Total trip 8h 59m, scheduled departure to arrival (Detroit is 3 h ahead of San Francisco). Times are local. Both flew on 39 of the last 56 days.

Makes the connection100%The first flight arrived more than 114 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 24m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (91%).
Total trip8h 59mSFO 05:00 to DTW 16:59, 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.