WN 4307 then WN 1375 at Phoenix
Seattle → Phoenix → Dallas
Timetable, Phoenix time
10:55WN 4307 from Seattle at the gate
17:40WN 1375 to Dallas leaves the gate
6 h 45 apart on the timetable
The last days
WN 4307 and WN 1375 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.