Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → St Louis via Denver: arrives on time 86%
-
08:16 SLC → 10:01 DENF9 3862 · Frontier · 1h 39m · 81% on time, 0.3% cancelled
-
3h 24m layover in Denver (DEN) · 90 min minimum on separate tickets
-
13:25 DEN → 16:33 STLUA 1639 · United · 2h 08m · 87% on time, 0.0% cancelled
Total trip 7h 17m, scheduled departure to arrival (St Louis is 1 h ahead of Salt Lake City). Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 114 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 24m layover.
Arrives on time86%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 17mSLC 08:16 to STL 16:33, 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.