If your goal is to collect the EQDs to qualify and you want to do it in 1 day over the feb 16/17/18 weekend, this would be one option to do it in one day out of LAX business class.
Saturday, February 16, 2019
FlightDepartArriveTravel timeAircraftClassSeats
2459 American Airlines7:55 AM
LAX12:59 PM
DFW3h 4m32BFirst
Stop: Dallas/ Fort Worth (DFW)
2198 American Airlines2:39 PM
DFW6:18 PM
FLL2h 39m32BFirst
Stop: Fort Lauderdale (FLL)
2198 American Airlines7:09 PM
FLL9:30 PM
DFW3h 21m32BFirst
Stop: Dallas/ Fort Worth (DFW)
84 American Airlines10:15 PM
DFW11:47 PM
LAX3h 32m32BFirst
AAdvantage earnings for this trip
Platinum
Elite Qualifying Miles (EQMs) Segments (EQSs) Dollars (EQDs) Award miles
Total ................9,416................... . 4 .....................$ 1,546 ............12,368