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

Las Vegas → Boston via Denver: arrives on time 86%

  1. 18:10 LAS → 21:11 DEN
    UA 1291 · United · 2h 01m · 77% on time, 1.3% cancelled
  2. 2h 48m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 23:59 DEN → 05:58 BOS +1 day
    UA 2656 · United · 3h 59m · 92% on time, 1.3% cancelled

Total trip 8h 48m, scheduled departure to arrival (Boston is 3 h ahead of Las Vegas). Times are local. Both flew on 39 of the last 56 days.

Makes the connection96%The first flight arrived more than 123 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 48m layover.
Arrives on time86%First flight not cancelled (1.3% are) × connection made (96%) × second flight not cancelled (1.3% are) and within 15 minutes (92%).
Total trip8h 48mLAS 18:10 to BOS 05:58, 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.