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

Dulles → Santa Ana via Las Vegas: arrives on time 88%

  1. 13:00 IAD → 15:09 LAS
    UA 2156 · United · 5h 09m · 91% on time, 0.4% cancelled
  2. 2h 57m layover in Las Vegas (LAS) · 90 min minimum on separate tickets
  3. 18:06 LAS → 19:28 SNA
    DL 4179 · Delta, flown by SkyWest · 1h 22m · 89% on time, 0.8% cancelled

Total trip 9h 28m, scheduled departure to arrival (Santa Ana is 3 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.

Makes the connection100%The first flight arrived more than 87 minutes late on <1% of the days it flew: too late for the 90-minute minimum connection on a 2h 57m layover.
Arrives on time88%First flight not cancelled (0.4% are) × connection made (100%) × second flight not cancelled (0.8% are) and within 15 minutes (89%).
Total trip9h 28mIAD 13:00 to SNA 19:28, 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.