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

San Francisco → Dulles via Houston: arrives on time 58%

  1. 00:45 SFO → 06:34 IAH
    UA 604 · United · 3h 49m · 83% on time, 0.0% cancelled
  2. 46m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 07:20 IAH → 11:28 IAD
    UA 1549 · United · 3h 08m · 92% on time, 0.6% cancelled

Total trip 7h 43m, scheduled departure to arrival (Dulles is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.

Makes the connection63%The first flight arrived more than 1 minutes late on 37% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time58%First flight not cancelled (0.0% are) × connection made (63%) × second flight not cancelled (0.6% are) and within 15 minutes (92%).
Total trip7h 43mSFO 00:45 to IAD 11:28, 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.