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

San Diego → St Louis via Detroit: arrives on time 77%

  1. 06:15 SAN → 13:47 DTW
    DL 754 · Delta · 4h 32m · 91% on time, 0.5% cancelled
  2. 2h 54m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 16:41 DTW → 17:23 STL
    DL 2822 · Delta · 1h 42m · 79% on time, 1.8% cancelled

Total trip 9h 08m, scheduled departure to arrival (St Louis is 2 h ahead of San Diego). Times are local. Both flew on 56 of the last 56 days.

Makes the connection100%The first flight arrived more than 129 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 2h 54m layover.
Arrives on time77%First flight not cancelled (0.5% are) × connection made (100%) × second flight not cancelled (1.8% are) and within 15 minutes (79%).
Total trip9h 08mSAN 06:15 to STL 17:23, 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.