Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Denver via San Diego: arrives on time 18%
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12:55 SLC → 13:50 SANWN 3754 · Southwest · 1h 55m · 50% on time, 0.0% cancelled
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1h 05m layover in San Diego (SAN) · 45 min minimum on one ticket
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14:55 SAN → 18:20 DENWN 3497 · Southwest · 2h 25m · 31% on time, 0.0% cancelled
Total trip 5h 25m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection58%The first flight arrived more than 20 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time18%First flight not cancelled (0.0% are) × connection made (58%) × second flight not cancelled (0.0% are) and within 15 minutes (31%).
Total trip5h 25mSLC 12:55 to DEN 18:20, 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.