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

Dulles → Las Vegas via Atlanta: arrives on time 68%

  1. 10:21 IAD → 12:05 ATL
    DL 1324 · Delta · 1h 48m · 85% on time, 4.3% cancelled
  2. 1h 10m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:15 ATL → 14:26 LAS
    DL 549 · Delta · 4h 11m · 80% on time, 0.3% cancelled

Total trip 7h 05m, scheduled departure to arrival (Las Vegas is 3 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.

Makes the connection89%The first flight arrived more than 25 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time68%First flight not cancelled (4.3% are) × connection made (89%) × second flight not cancelled (0.3% are) and within 15 minutes (80%).
Total trip7h 05mIAD 10:21 to LAS 14:26, 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.