Southwest Airlines WN2457 On Time STL St. Louis → DEN Denver 2h 25m 1,237km / 763mi 23. May 2025 DEPARTURE 17:10 CDT 22:10 UTC 0 minutes TERMINAL: 2 GATE: E20 ARRIVAL 18:35 MDT 00:35 UTC TERMINAL: C29 GATE: C29 AIRLINE Southwest Airlines WN / SWA FREQUENCY 6x per week DISTANCE 1,237km FLIGHTS/WEEK 71 PUNCTUALITY 73%