Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Newark via Boston: arrives on time 27%
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15:55 ORD → 19:30 BOSUA 2466 · United · 2h 35m · 49% on time, 2.0% cancelled
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56m layover in Boston (BOS) · 45 min minimum on one ticket
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20:26 BOS → 21:59 EWRUA 2060 · United · 1h 33m · 64% on time, 6.4% cancelled
Total trip 5h 04m, scheduled departure to arrival (Newark is 1 h ahead of Chicago). Times are local. Both flew on 47 of the last 56 days.
Makes the connection45%The first flight arrived more than 11 minutes late on 55% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time27%First flight not cancelled (2.0% are) × connection made (45%) × second flight not cancelled (6.4% are) and within 15 minutes (64%).
Total trip5h 04mORD 15:55 to EWR 21:59, 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.