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

Dulles → San Francisco via Atlanta: arrives on time 56%

  1. 10:21 IAD → 12:05 ATL
    DL 1324 · Delta · 1h 48m · 85% on time, 4.3% cancelled
  2. 51m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 12:56 ATL → 14:50 SFO
    DL 750 · Delta · 4h 58m · 73% on time, 0.5% cancelled

Total trip 7h 33m, scheduled departure to arrival (San Francisco is 3 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.

Makes the connection81%The first flight arrived more than 6 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time56%First flight not cancelled (4.3% are) × connection made (81%) × second flight not cancelled (0.5% are) and within 15 minutes (73%).
Total trip7h 33mIAD 10:21 to SFO 14:50, 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.