AA 517 then WN 1457 at San Francisco
Chicago O'Hare → San Francisco → Las Vegas
Timetable, San Francisco time
11:11AA 517 from Chicago O'Hare at the gatealso QF 4687
13:50WN 1457 to Las Vegas leaves the gate
2 h 39 apart on the timetable
The last days
AA 517 and WN 1457 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.