AA 2737 then AA 544 at DFW
Ontario → Dallas-Fort Worth → Las Vegas
Timetable, Dallas-Fort Worth time
04:53AA 2737 from Ontario at the gate
09:40AA 544 to Las Vegas leaves the gate
4 h 47 apart on the timetable
The last days
AA 2737 and AA 544 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.