Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Charlotte via Boston: arrives on time 57%
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14:05 SJU → 18:14 BOSDL 1780 · Delta · 4h 09m · 80% on time, 0.9% cancelled
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1h 26m layover in Boston (BOS) · 45 min minimum on one ticket
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19:40 BOS → 22:18 CLTDL 5807 · Delta, flown by Republic · 2h 38m · 66% on time, 4.2% cancelled
Total trip 8h 13m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection91%The first flight arrived more than 41 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 26m layover.
Arrives on time57%First flight not cancelled (0.9% are) × connection made (91%) × second flight not cancelled (4.2% are) and within 15 minutes (66%).
Total trip8h 13mSJU 14:05 to CLT 22:18, 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.