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

Las Vegas → Boston via Chicago: arrives on time 91%

  1. 23:59 LAS → 05:40 ORD
    UA 726 · United · 3h 41m · 89% on time, 0.0% cancelled
  2. 2h 50m layover in Chicago (ORD) · 90 min minimum on separate tickets
  3. 08:30 ORD → 12:07 BOS +1 day
    AA 4106 · American, flown by Envoy · 2h 37m · 91% on time, 0.0% cancelled

Total trip 9h 08m, scheduled departure to arrival (Boston is 3 h ahead of Las Vegas). Times are local. Both flew on 26 of the last 56 days.

Makes the connection100%The first flight arrived more than 80 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 50m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip9h 08mLAS 23:59 to BOS 12:07, 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.