Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Billings via Denver: arrives on time 78%
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14:33 ORD → 16:31 DENUA 2803 · United · 2h 58m · 76% on time, 0.0% cancelled
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4h 39m 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 9h 21m, scheduled departure to arrival (Billings is 1 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 234 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 4h 39m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip9h 21mORD 14:33 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.