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

Dallas-Fort Worth → San Juan via Houston: arrives on time 88%

  1. 09:46 DFW → 11:03 IAH
    UA 1586 · United · 1h 17m · 82% on time, 0.5% cancelled
  2. 4h 00m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 15:03 IAH → 20:38 SJU
    UA 701 · United · 4h 35m · 91% on time, 0.3% cancelled

Total trip 9h 52m, scheduled departure to arrival (San Juan is 1 h ahead of Dallas-Fort Worth). Times are local. Both flew on 52 of the last 56 days.

Makes the connection97%The first flight arrived more than 195 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 4h 00m layover.
Arrives on time88%First flight not cancelled (0.5% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (91%).
Total trip9h 52mDFW 09:46 to SJU 20:38, 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.