AA 3491 then UA 2494 at O'Hare
Lansing → Chicago → Los Angeles
Timetable, Chicago time
16:25AA 3491 from Lansing at the gate
16:39UA 2494 to Los Angeles leaves the gate
14 min apart on the timetable
The last days
AA 3491 and UA 2494 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.