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

San Juan → Baltimore via Houston: arrives on time 79%

  1. 07:00 SJU → 10:53 IAH
    UA 1644 · United · 4h 53m · 96% on time, 0.5% cancelled
  2. 1h 23m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 12:16 IAH → 16:30 BWI
    UA 1720 · United · 3h 14m · 81% on time, 0.0% cancelled

Total trip 9h 30m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 38 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time79%First flight not cancelled (0.5% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip9h 30mSJU 07:00 to BWI 16:30, 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.