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

Dulles → Phoenix via Los Angeles: arrives on time 83%

  1. 08:15 IAD → 10:47 LAX
    UA 1734 · United · 5h 32m · 86% on time, 1.6% cancelled
  2. 3h 01m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
  3. 13:48 LAX → 15:21 PHX
    DL 3894 · Delta, flown by SkyWest · 1h 35m · 88% on time, 0.3% cancelled

Total trip 10h 08m, scheduled departure to arrival (Phoenix is 3 h behind Dulles). Times are local. Both flew on 23 of the last 56 days.

Makes the connection96%The first flight arrived more than 91 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 01m layover.
Arrives on time83%First flight not cancelled (1.6% are) × connection made (96%) × second flight not cancelled (0.3% are) and within 15 minutes (88%).
Total trip10h 08mIAD 08:15 to PHX 15:21, 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.