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

Dulles → San Antonio via Atlanta: arrives on time 71%

  1. 12:37 IAD → 14:34 ATL
    DL 1444 · Delta · 1h 56m · 83% on time, 3.6% cancelled
  2. 4h 35m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:09 ATL → 20:41 SAT
    DL 2893 · Delta · 2h 32m · 75% on time, 1.4% cancelled

Total trip 9h 04m, scheduled departure to arrival (San Antonio is 1 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection100%The first flight arrived more than 230 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 4h 35m layover.
Arrives on time71%First flight not cancelled (3.6% are) × connection made (100%) × second flight not cancelled (1.4% are) and within 15 minutes (75%).
Total trip9h 04mIAD 12:37 to SAT 20:41, 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.