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

Dulles → San Antonio via Detroit: arrives on time 67%

  1. 11:10 IAD → 12:44 DTW
    DL 2884 · Delta · 1h 34m · 90% on time, 0.0% cancelled
  2. 54m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 13:38 DTW → 15:49 SAT
    DL 2458 · Delta · 3h 10m · 79% on time, 0.0% cancelled

Total trip 5h 38m, scheduled departure to arrival (San Antonio is 1 h behind Dulles). Times are local. Both flew on 48 of the last 56 days.

Makes the connection85%The first flight arrived more than 9 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time67%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip5h 38mIAD 11:10 to SAT 15:49, 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.