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

St Louis → San Antonio via Atlanta: arrives on time 78%

  1. 07:08 STL → 09:45 ATL
    DL 1536 · Delta · 1h 37m · 97% on time, 1.5% cancelled
  2. 4h 00m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:45 ATL → 15:14 SAT
    DL 2009 · Delta · 2h 29m · 81% on time, 2.1% cancelled

Total trip 8h 06m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 195 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 00m layover.
Arrives on time78%First flight not cancelled (1.5% are) × connection made (99%) × second flight not cancelled (2.1% are) and within 15 minutes (81%).
Total trip8h 06mSTL 07:08 to SAT 15:14, 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.