UA 5739 then AA 643 at LAX
Fresno → Los Angeles → Chicago O'Hare
Timetable, Los Angeles time
09:26UA 5739 from Fresno at the gate
11:37AA 643 to Chicago O'Hare leaves the gate
2 h 11 apart on the timetable
The last days
UA 5739 and AA 643 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.