Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → Ontario via Denver: arrives on time 80%
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08:30 BWI → 10:25 DENUA 2412 · United · 3h 55m · 90% on time, 0.3% cancelled
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1h 00m layover in Denver (DEN) · 45 min minimum on one ticket
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11:25 DEN → 12:47 ONTUA 430 · United · 2h 22m · 88% on time, 0.0% cancelled
Total trip 7h 17m, scheduled departure to arrival (Ontario is 3 h behind Baltimore). Times are local. Both flew on 56 of the last 56 days.
Makes the connection90%The first flight arrived more than 15 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time80%First flight not cancelled (0.3% are) × connection made (90%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 17mBWI 08:30 to ONT 12:47, 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.