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

Houston → San Juan via Denver: arrives on time 82%

  1. 05:15 IAH → 06:47 DEN
    UA 1874 · United · 2h 32m · 96% on time, 0.0% cancelled
  2. 2h 56m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 09:43 DEN → 17:38 SJU
    UA 1339 · United · 5h 55m · 84% on time, 0.3% cancelled

Total trip 11h 23m, scheduled departure to arrival (San Juan 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 131 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 56m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.3% are) and within 15 minutes (84%).
Total trip11h 23mIAH 05:15 to SJU 17:38, 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.