One additional observation: unless you returned immediately after arriving in Vegas (courier run), some of the charge time (a high percentage in a Tesla) is negated by actually being there.Here's an article on CleanTechnica pointing out all the false statements and misinformation in the NYT article:
Distance: 260 miles. Range of Model 3 LR: 325:
On a good day, no charging would be needed on the way to Vegas, let the car fill at the hotel or casino, no charging needed on the way back. Net result: faster than an ICE that needed a fill up before starting the trip and another on the way back, plus another the next day.