Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Juan via Denver: arrives on time 72%
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07:05 ORD → 08:55 DENUA 1217 · United · 2h 50m · 92% on time, 0.0% cancelled
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48m layover in Denver (DEN) · 45 min minimum on one ticket
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09:43 DEN → 17:38 SJUUA 1339 · United · 5h 55m · 84% on time, 0.3% cancelled
Total trip 9h 33m, 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 connection87%The first flight arrived more than 3 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time72%First flight not cancelled (0.0% are) × connection made (87%) × second flight not cancelled (0.3% are) and within 15 minutes (84%).
Total trip9h 33mORD 07:05 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.