Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Newark → Boston via Dulles: arrives on time 36%
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15:08 EWR → 16:32 IADUA 1992 · United · 1h 24m · 68% on time, 1.8% cancelled
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53m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:25 IAD → 19:14 BOSUA 688 · United · 1h 49m · 63% on time, 3.3% cancelled
Total trip 4h 06m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection59%The first flight arrived more than 8 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time36%First flight not cancelled (1.8% are) × connection made (59%) × second flight not cancelled (3.3% are) and within 15 minutes (63%).
Total trip4h 06mEWR 15:08 to BOS 19:14, 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.