Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Salt Lake City via Los Angeles: arrives on time 89%
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08:10 STL → 10:05 LAXWN 3937 · Southwest · 3h 55m · 85% on time, 0.0% cancelled
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2h 50m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
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12:55 LAX → 15:48 SLCUA 5371 · United, flown by SkyWest · 1h 53m · 89% on time, 0.0% cancelled
Total trip 8h 38m, scheduled departure to arrival (Salt Lake City is 1 h behind St Louis). Times are local. Both flew on 21 of the last 56 days.
Makes the connection100%The first flight arrived more than 80 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 50m layover.
Arrives on time89%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip8h 38mSTL 08:10 to SLC 15:48, 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.