WN 254 then WN 2826 at Phoenix
Atlanta → Phoenix → St Louis
Timetable, Phoenix time
08:05WN 254 from Atlanta at the gate
08:50WN 2826 to St Louis leaves the gate
45 min apart on the timetable
The last days
WN 254 and WN 2826 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.