Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → San Juan via Charlotte Amalie: arrives on time 77%
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08:15 IAD → 12:20 STTUA 1443 · United · 4h 05m · 87% on time, 1.0% cancelled
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3h 47m layover in Charlotte Amalie (STT) · 90 min minimum on separate tickets
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16:07 STT → 16:49 SJUB6 435 · JetBlue · 42m · 78% on time, 0.6% cancelled
Total trip 8h 34m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection100%The first flight arrived more than 137 minutes late on <1% of the days it flew: too late for the 90-minute minimum connection on a 3h 47m layover.
Arrives on time77%First flight not cancelled (1.0% are) × connection made (100%) × second flight not cancelled (0.6% are) and within 15 minutes (78%).
Total trip8h 34mIAD 08:15 to SJU 16:49, 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.