Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → San Juan via Dulles: arrives on time 67%
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13:10 MIA → 15:53 IADUA 2435 · United · 2h 43m · 88% on time, 0.3% cancelled
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1h 31m 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 8h 14m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection93%The first flight arrived more than 46 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 31m layover.
Arrives on time67%First flight not cancelled (0.3% are) × connection made (93%) × second flight not cancelled (0.4% are) and within 15 minutes (73%).
Total trip8h 14mMIA 13:10 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.