OO 9915 then UA 165 at O'Hare
Shreveport → Chicago → Miami
Timetable, Chicago time
15:49OO 9915 from Shreveport at the gate
18:43UA 165 to Miami leaves the gate
2 h 54 apart on the timetable
The last days
OO 9915 and UA 165 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.