Flight McCarran International Airport departs from Las Vegas McCarran International Airport at 11:15 and arrives at Los Angeles International Airport at 12:39.
The flighttime is about 1h 24m. The distance travelled ("as the bird flies"): 377 Km. So the average speed is roughly 269 Km.
The best day to arrive at Las Vegas is Friday and it would be best to avoid Sunday, as prices are on average 2412% higher than on Friday. (Average prices, based on 49992 datapoints.)
We have a lot more statistics for flights F9 3291 and between Las Vegas and Los Angeles.