Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Phoenix → St Louis via Denver: arrives on time 86%
-
06:40 PHX → 09:37 DENF9 1376 · Frontier · 1h 57m · 88% on time, 0.0% cancelled
-
3h 48m 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 53m, scheduled departure to arrival (St Louis is 2 h ahead of Phoenix). Times are local. Both flew on 39 of the last 56 days.
Makes the connection99%The first flight arrived more than 138 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 48m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 53mPHX 06:40 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.