WN 2146 then AA 727 at Seattle
Oakland → Seattle → Dallas-Fort Worth
Timetable, Seattle time
08:55WN 2146 from Oakland at the gate
17:47AA 727 to Dallas-Fort Worth leaves the gate
8 h 52 apart on the timetable
Seattle’s board gives a departure time for only about 59% of its flights, so many days show no gate time.
The last days
WN 2146 and AA 727 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.