Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Billings via Denver: arrives on time 69%
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16:12 ORD → 18:13 DENUA 2769 · United · 3h 01m · 61% on time, 0.0% cancelled
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2h 57m layover in Denver (DEN) · 45 min minimum on one ticket
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21:10 DEN → 22:54 BILUA 5257 · United, flown by SkyWest · 1h 44m · 80% on time, 0.0% cancelled
Total trip 7h 42m, scheduled departure to arrival (Billings is 1 h behind Chicago). Times are local. Both flew on 36 of the last 56 days.
Makes the connection86%The first flight arrived more than 132 minutes late on 14% of the days it flew: too late for the 45-minute minimum connection on a 2h 57m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (86%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip7h 42mORD 16:12 to BIL 22:54, 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.