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. 10:21 IAD → 12:05 ATL
    DL 1324 · Delta · 1h 48m · 85% on time, 4.3% cancelled
  2. 1h 40m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:45 ATL → 15:14 SAT
    DL 2009 · Delta · 2h 29m · 81% on time, 2.1% cancelled

Total trip 5h 53m, scheduled departure to arrival (San Antonio is 1 h behind Dulles). Times are local. Both flew on 54 of the last 56 days.

Makes the connection93%The first flight arrived more than 55 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 40m layover.
Arrives on time71%First flight not cancelled (4.3% are) × connection made (93%) × second flight not cancelled (2.1% are) and within 15 minutes (81%).
Total trip5h 53mIAD 10:21 to SAT 15:14, 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.