Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → San Juan via Newark: arrives on time 38%
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16:25 ATL → 18:54 EWRUA 555 · United · 2h 29m · 69% on time, 4.2% cancelled
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51m layover in Newark (EWR) · 45 min minimum on one ticket
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19:45 EWR → 23:50 SJUUA 1543 · United · 4h 05m · 67% on time, 1.4% cancelled
Total trip 7h 25m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection60%The first flight arrived more than 6 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time38%First flight not cancelled (4.2% are) × connection made (60%) × second flight not cancelled (1.4% are) and within 15 minutes (67%).
Total trip7h 25mATL 16:25 to SJU 23:50, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.