Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Harrisburg via Chicago: arrives on time 71%
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06:00 BOS → 07:58 ORDUA 1414 · United · 2h 58m · 95% on time, 2.4% cancelled
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2h 31m layover in Chicago (ORD) · 45 min minimum on one ticket
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10:29 ORD → 13:34 MDTUA 4798 · United, flown by SkyWest · 2h 05m · 77% on time, 5.4% cancelled
Total trip 7h 34m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection100%The first flight arrived more than 106 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 2h 31m layover.
Arrives on time71%First flight not cancelled (2.4% are) × connection made (100%) × second flight not cancelled (5.4% are) and within 15 minutes (77%).
Total trip7h 34mBOS 06:00 to MDT 13:34, 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.