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

Houston → Las Vegas via Chicago: arrives on time 50%

  1. 11:55 IAH → 14:51 ORD
    UA 2827 · United · 2h 56m · 67% on time, 1.4% cancelled
  2. 1h 03m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 15:54 ORD → 17:57 LAS
    UA 1875 · United · 4h 03m · 75% on time, 0.9% cancelled

Total trip 8h 02m, scheduled departure to arrival (Las Vegas is 2 h behind Houston). Times are local. Both flew on 54 of the last 56 days.

Makes the connection69%The first flight arrived more than 18 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time50%First flight not cancelled (1.4% are) × connection made (69%) × second flight not cancelled (0.9% are) and within 15 minutes (75%).
Total trip8h 02mIAH 11:55 to LAS 17:57, 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.