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

Houston → San Antonio via Detroit: arrives on time 42%

  1. 15:27 IAH → 19:15 DTW
    DL 1865 · Delta · 2h 48m · 67% on time, 0.0% cancelled
  2. 55m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 20:10 DTW → 22:21 SAT
    DL 1365 · Delta · 3h 11m · 72% on time, 1.4% cancelled

Total trip 6h 54m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection58%The first flight arrived more than 10 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time42%First flight not cancelled (0.0% are) × connection made (58%) × second flight not cancelled (1.4% are) and within 15 minutes (72%).
Total trip6h 54mIAH 15:27 to SAT 22:21, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.