Not per hour worked. Not when going to a pickup. Not when waiting for a ride. Only "while on a trip". That alone probably means about 1/3 off. Which puts them below SF's $15/hour minimum wage.
Then, Uber counts the entire amount paid to the driver as "wage", not including their renting the driver's car. That takes off a substantial amount.[1]
And if drivers were employees, Uber would have to buy the bottled water.
[1] https://www.ridester.com/uber-lyft-driver-costs-and-expenses...