WN 397 then WN 213 at Phoenix
Austin → Phoenix → St Louis
Timetable, Phoenix time
09:20WN 397 from Austin at the gate
16:40WN 213 to St Louis leaves the gate
7 h 20 apart on the timetable
The last days
WN 397 and WN 213 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.