Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas-Fort Worth → San Juan via Dulles: arrives on time 57%
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12:25 DFW → 16:31 IADUA 358 · United · 3h 06m · 86% on time, 0.0% cancelled
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53m 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 7h 59m, scheduled departure to arrival (San Juan is 1 h ahead of Dallas-Fort Worth). Times are local. Both flew on 56 of the last 56 days.
Makes the connection79%The first flight arrived more than 8 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time57%First flight not cancelled (0.0% are) × connection made (79%) × second flight not cancelled (0.4% are) and within 15 minutes (73%).
Total trip7h 59mDFW 12:25 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.