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

San Juan → Atlanta via Houston: arrives on time 75%

  1. 07:00 SJU → 10:53 IAH
    UA 1644 · United · 4h 53m · 96% on time, 0.5% cancelled
  2. 1h 02m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 11:55 IAH → 15:16 ATL
    UA 4079 · United, flown by Mesa · 2h 21m · 79% on time, 0.0% cancelled

Total trip 8h 16m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection96%The first flight arrived more than 17 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time75%First flight not cancelled (0.5% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip8h 16mSJU 07:00 to ATL 15:16, 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.