Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → San Juan via Dulles: arrives on time 72%
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08:00 DEN → 13:26 IADUA 1101 · United · 3h 26m · 94% on time, 0.3% cancelled
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3h 58m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:24 IAD → 21:24 SJUUA 2025 · United · 4h 00m · 73% on time, 0.4% cancelled
Total trip 11h 24m, scheduled departure to arrival (San Juan is 2 h ahead of Denver). Times are local. Both flew on 56 of the last 56 days.
Makes the connection100%The first flight arrived more than 193 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 58m layover.
Arrives on time72%First flight not cancelled (0.3% are) × connection made (100%) × second flight not cancelled (0.4% are) and within 15 minutes (73%).
Total trip11h 24mDEN 08:00 to SJU 21:24, 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.