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

Houston → Chicago via Denver: arrives on time 39%

  1. 18:19 IAH → 20:14 DEN
    UA 1654 · United · 2h 55m · 66% on time, 0.5% cancelled
  2. 51m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 21:05 DEN → 00:44 ORD +1 day
    UA 2649 · United · 2h 39m · 71% on time, 5.6% cancelled

Total trip 6h 25m, scheduled departure to arrival. Times are local. Both flew on 36 of the last 56 days.

Makes the connection58%The first flight arrived more than 6 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time39%First flight not cancelled (0.5% are) × connection made (58%) × second flight not cancelled (5.6% are) and within 15 minutes (71%).
Total trip6h 25mIAH 18:19 to ORD 00:44, 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.