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

Dulles → Los Angeles via Newark: arrives on time 33%

  1. 17:42 IAD → 19:10 EWR
    UA 1831 · United · 1h 28m · 59% on time, 2.7% cancelled
  2. 1h 00m layover in Newark (EWR) · 45 min minimum on one ticket
  3. 20:10 EWR → 23:15 LAX
    UA 712 · United · 6h 05m · 59% on time, 1.4% cancelled

Total trip 8h 33m, scheduled departure to arrival (Los Angeles is 3 h behind Dulles). Times are local. Both flew on 40 of the last 56 days.

Makes the connection59%The first flight arrived more than 15 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time33%First flight not cancelled (2.7% are) × connection made (59%) × second flight not cancelled (1.4% are) and within 15 minutes (59%).
Total trip8h 33mIAD 17:42 to LAX 23:15, 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.