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

Las Vegas → St Louis via Denver: arrives on time 52%

  1. 13:36 LAS → 16:40 DEN
    UA 1323 · United · 2h 04m · 77% on time, 0.7% cancelled
  2. 54m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 17:34 DEN → 20:43 STL
    UA 1422 · United · 2h 09m · 72% on time, 0.3% cancelled

Total trip 5h 07m, scheduled departure to arrival (St Louis is 2 h ahead of Las Vegas). Times are local. Both flew on 55 of the last 56 days.

Makes the connection73%The first flight arrived more than 9 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time52%First flight not cancelled (0.7% are) × connection made (73%) × second flight not cancelled (0.3% are) and within 15 minutes (72%).
Total trip5h 07mLAS 13:36 to STL 20:43, 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.