Well, the rumors weren't exactly true about American's OKC-LAX going mainline. But, it is increasing to 2x daily effective November 18, 2011 through the end of the schedule. Both will be operated by American Eagle CRJ-700 aircraft.

Schedule as follows

OKC-LAX
7:00am-8:20am CRJ-700 AA*3708
2:30pm-3:40pm CRJ-700 AA*3798
LAX-OKC
9:05am-1:55pm CRJ-700 AA*3799
7:10pm-11:55pm CRJ-700 AA*3707