Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Juan via Houston: arrives on time 91%
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08:51 ORD → 11:51 IAHUA 535 · United · 3h 00m · 80% on time, 0.0% cancelled
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3h 12m layover in Houston (IAH) · 45 min minimum on one ticket
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15:03 IAH → 20:38 SJUUA 701 · United · 4h 35m · 91% on time, 0.3% cancelled
Total trip 10h 47m, scheduled departure to arrival (San Juan is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection100%The first flight arrived more than 147 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 12m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (91%).
Total trip10h 47mORD 08:51 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.