Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Ontario via Denver: arrives on time 76%
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06:05 SLC → 07:43 DENF9 3220 · Frontier · 1h 38m · 84% on time, 0.7% cancelled
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1h 01m layover in Denver (DEN) · 45 min minimum on one ticket
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08:44 DEN → 10:05 ONTF9 2907 · Frontier · 2h 21m · 91% on time, 0.0% cancelled
Total trip 5h 00m, scheduled departure to arrival (Ontario is 1 h behind Salt Lake City). Times are local. Both flew on 27 of the last 56 days.
Makes the connection84%The first flight arrived more than 16 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time76%First flight not cancelled (0.7% are) × connection made (84%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip5h 00mSLC 06:05 to ONT 10:05, 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.