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

San Antonio → Dulles via Detroit: arrives on time 45%

  1. 16:44 SAT → 20:45 DTW
    DL 2458 · Delta · 3h 01m · 82% on time, 4.2% cancelled
  2. 53m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 21:38 DTW → 23:14 IAD
    DL 3988 · Delta, flown by SkyWest · 1h 36m · 65% on time, 0.0% cancelled

Total trip 5h 30m, scheduled departure to arrival (Dulles is 1 h ahead of San Antonio). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection72%The first flight arrived more than 8 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time45%First flight not cancelled (4.2% are) × connection made (72%) × second flight not cancelled (0.0% are) and within 15 minutes (65%).
Total trip5h 30mSAT 16:44 to IAD 23:14, 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.