Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Juan → Buffalo via Newark: arrives on time 60%
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13:25 SJU → 17:39 EWRUA 1173 · United · 4h 14m · 66% on time, 4.4% cancelled
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3h 20m layover in Newark (EWR) · 45 min minimum on one ticket
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20:59 EWR → 22:40 BUFUA 3476 · United, flown by Republic · 1h 41m · 78% on time, 14.8% cancelled
Total trip 9h 15m, scheduled departure to arrival. Times are local. Both flew on 41 of the last 56 days.
Makes the connection94%The first flight arrived more than 155 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 3h 20m layover.
Arrives on time60%First flight not cancelled (4.4% are) × connection made (94%) × second flight not cancelled (14.8% are) and within 15 minutes (78%).
Total trip9h 15mSJU 13:25 to BUF 22:40, 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.