I live in Phoenix, AZ. My son went to the University of Alabama in Huntsville this last year. Close to your route and did 3 cross country trips.. The last Trip was a kind of lighting Run to Humtville to get our son. One 6 hour stop to sleep after 22 hours of driving. ROUTE: From Memphis our drives typically Went Little Rock, Texarkana, Sulphur Springs (a must stop). From here you can either deviate North or South. Going up to Amarillo would add lots of extra time since you need to dive south to San Diego. Each have their charm, but I preferred the Going all the way down to I-10 Via Arlington, Cisco (stop and see Hilton's first hotel). Sweetwater. Midland, Pecos, Van Horn, El Paso, Deming NM, Wilcox, Tucson, Then I would go to I-8 and over to San Diego. There is a new 250KW charger in AZ.
ABRP is great for pretrip Planning. Good for figuring out about where you will be at certain times. Do not trust the exact times. It seems we are never ready as quickly as the car is. We use the time to walk, stretch our legs and Bathroom breaks. But it does help to know where to plan your Hotels to get the best rate. One Other thing. SC are not that expensive. The first time we made a point of staying where there were destination chargers. Most of the time the rates are higher. You can stay between chargers just make sure you add 10% to the charge at the previous charger to be sure you will make it to the next charger.
We have also gone ALL the way to the down to Mobile, AL (USS ALABAMA), Biloxi ( great area and Stop at the lighthouse and Pier). through Galveston (via the Ferry) and Houston (San Jacinto). Been to Marfa and Big Bend NP, Fort Smith for the observatory.. If you go to Big Bend, make sure you reserve Spot at the RV park. That trip with Kids would be campout.
Have NEVER had any issues with any of these trips except the last one. Tesla said Fort Stockton SC was temporarily closed but Looking at checkins on Plugshare it seemed incorrect. At the Ozona SC we talked to a couple on their way east and they said only 2 were out and Tesla had been contacted. The best I can figure out is miscommunication and Tesla thought it was all down not just two stations. So we drove 90 knowing we would have no issues. So I guess NO ISSUES ever. Plugshare is a great resource to keep tabs on the SC status'. Autopilot makes the trip SOOOO much easier.
Good Travels, I find it a blast as a pilot it is like flight planning but easier. And we look for places to see along along the way. STOPPING at EVERY SC is really faster as you don't have to charge as long and is less tiring so don't follow the Tesla Nav for suggested Stops. I typically drive 10 over so I add 10% to the nav predictor. AutoPilot is a godsend on these trips. Can I say lots of nothing across western Texas on to San Diego. Let's not forget the Green Tunnel from Memphis to Texarkana.
2018 M3 RWD LR, EAP, 18" tires, 40K+ miles.