AS 1639 then DL 2449 at Seattle
Columbus (Ohio) → Seattle → Phoenix
Timetable, Seattle time
10:39AS 1639 from Columbus (Ohio) at the gate
12:00DL 2449 to Phoenix leaves the gate
1 h 21 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
AS 1639 and DL 2449 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.