Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → San Juan via Newark: arrives on time 65%
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23:59 DEN → 05:40 EWRUA 1745 · United · 3h 41m · 92% on time, 2.0% cancelled
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2h 20m layover in Newark (EWR) · 45 min minimum on one ticket
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08:00 EWR → 12:04 SJU +1 dayUA 2143 · United · 4h 04m · 69% on time, 3.6% cancelled
Total trip 10h 05m, scheduled departure to arrival (San Juan is 2 h ahead of Denver). Times are local. Both flew on 55 of the last 56 days.
Makes the connection99%The first flight arrived more than 95 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 20m layover.
Arrives on time65%First flight not cancelled (2.0% are) × connection made (99%) × second flight not cancelled (3.6% are) and within 15 minutes (69%).
Total trip10h 05mDEN 23:59 to SJU 12:04, 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.