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

Houston → Philadelphia via Denver: arrives on time 87%

  1. 05:15 IAH → 06:47 DEN
    UA 1874 · United · 2h 32m · 96% on time, 0.0% cancelled
  2. 2h 48m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 09:35 DEN → 15:12 PHL
    UA 1575 · United · 3h 37m · 88% on time, 0.4% cancelled

Total trip 8h 57m, scheduled departure to arrival (Philadelphia is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 123 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 48m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.4% are) and within 15 minutes (88%).
Total trip8h 57mIAH 05:15 to PHL 15:12, 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.