F9 1474 then UA 4683 at Philadelphia
Tampa → Philadelphia → Chicago O'Hare
Timetable, Philadelphia time
23:54F9 1474 from Tampa at the gate
06:15UA 4683 to Chicago O'Hare leaves the gate
6 h 21 apart on the timetable, overnight
The last days
F9 1474 and UA 4683 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.