Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Cleveland → Boston via Dulles: arrives on time 50%
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19:55 CLE → 21:19 IADUA 3433 · United, flown by Republic · 1h 24m · 74% on time, 8.1% cancelled
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51m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:10 IAD → 23:59 BOSUA 755 · United · 1h 49m · 81% on time, 2.2% cancelled
Total trip 4h 04m, scheduled departure to arrival. Times are local. Both flew on 35 of the last 56 days.
Makes the connection69%The first flight arrived more than 6 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time50%First flight not cancelled (8.1% are) × connection made (69%) × second flight not cancelled (2.2% are) and within 15 minutes (81%).
Total trip4h 04mCLE 19:55 to BOS 23:59, 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.