Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Seattle via Denver: arrives on time 85%
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05:00 ONT → 08:20 DENUA 2446 · United · 2h 20m · 94% on time, 0.4% cancelled
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3h 02m layover in Denver (DEN) · 45 min minimum on one ticket
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11:22 DEN → 13:22 SEAUA 1424 · United · 3h 00m · 86% on time, 0.8% cancelled
Total trip 8h 22m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 137 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 02m layover.
Arrives on time85%First flight not cancelled (0.4% are) × connection made (99%) × second flight not cancelled (0.8% are) and within 15 minutes (86%).
Total trip8h 22mONT 05:00 to SEA 13:22, 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.