Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Ontario via Salt Lake City: arrives on time 87%
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07:05 DEN → 08:36 SLCDL 1581 · Delta · 1h 31m · 92% on time, 0.0% cancelled
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2h 43m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
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11:19 SLC → 12:10 ONTDL 3172 · Delta · 1h 51m · 91% on time, 0.0% cancelled
Total trip 6h 05m, scheduled departure to arrival (Ontario is 1 h behind Denver). Times are local. Both flew on 51 of the last 56 days.
Makes the connection96%The first flight arrived more than 118 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 43m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip6h 05mDEN 07:05 to ONT 12:10, 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.