The big issue is the traffic on the 405 freeway from Westwood to the 101/134. It can be easy or slow as can some of the 101 traffic can be. The earlier in the afternoon, generally the easier that fwy. traffic is.
I'll move this to the Destinations->L.A. forum as that's where most issues are discussed re the L.A. area airports. Ocn Vw 1K, Moderator.