F9 4307 then FX 1388 at O'Hare
Baltimore → Chicago → Memphis
Timetable, Chicago time
11:23F9 4307 from Baltimore at the gate
22:00FX 1388 to Memphis leaves the gate
10 h 37 apart on the timetable
The last days
F9 4307 and FX 1388 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.