Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Huntsville via Chicago: arrives on time 34%
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17:42 IAD → 18:50 ORDUA 2497 · United · 2h 08m · 48% on time, 1.1% cancelled
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1h 02m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:52 ORD → 21:53 HSVUA 4500 · United, flown by GoJet · 2h 01m · 73% on time, 6.9% cancelled
Total trip 5h 11m, scheduled departure to arrival (Huntsville is 1 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.
Makes the connection51%The first flight arrived more than 17 minutes late on 49% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time34%First flight not cancelled (1.1% are) × connection made (51%) × second flight not cancelled (6.9% are) and within 15 minutes (73%).
Total trip5h 11mIAD 17:42 to HSV 21:53, 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.