F9 9486 then F9 9122 at Denver
Detroit → Denver → Tampa
Timetable, Denver time
07:46F9 9486 from Detroit at the gate
10:00F9 9122 to Tampa leaves the gate
2 h 14 apart on the timetable
The last days
F9 9486 and F9 9122 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.