Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Billings → Portland via Denver: arrives on time 49%
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16:10 BIL → 18:03 DENUA 5590 · United, flown by SkyWest · 1h 53m · 42% on time, 0.0% cancelled
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1h 27m layover in Denver (DEN) · 45 min minimum on one ticket
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19:30 DEN → 21:15 PDXUA 498 · United · 2h 45m · 80% on time, 0.0% cancelled
Total trip 6h 05m, scheduled departure to arrival (Portland is 1 h behind Billings). Times are local. Both flew on 32 of the last 56 days.
Makes the connection61%The first flight arrived more than 42 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 1h 27m layover.
Arrives on time49%First flight not cancelled (0.0% are) × connection made (61%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip6h 05mBIL 16:10 to PDX 21:15, 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.