UA 3501 then FX 1317 at O'Hare
Kansas City → Chicago → Memphis
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
20:20FX 1317 to Memphis leaves the gate
3 h 15 apart on the timetable
The last days
UA 3501 and FX 1317 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.