tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Antonio → Dulles via Denver: arrives on time 90%

  1. 18:30 SAT → 20:00 DEN
    WN 3568 · Southwest · 2h 30m · 53% on time, 0.0% cancelled
  2. 3h 59m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 23:59 DEN → 05:27 IAD +1 day
    UA 1924 · United · 3h 28m · 94% on time, 0.6% cancelled

Total trip 9h 57m, scheduled departure to arrival (Dulles is 1 h ahead of San Antonio). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 149 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 59m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.6% are) and within 15 minutes (94%).
Total trip9h 57mSAT 18:30 to IAD 05:27, 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.