Same problem here. We didn’t hear back for 12 hours. Luckily the car was stuck in our garage. Canceling our membership as well.
Had a long conversation with a very bright tow truck driver that I called after my USAA one never show up. By the way, he charged $200 cash for his service.
He said USAA, AAA, and some other companies with towing services pay such low rates that their tows are always last on the list of things to do. Said many times AAA tows may take hours to arrive, and they may not get around to them until the next day. As usual, money talks. Wreckers are expensive to own and operate.
I have been a proud member for 28 years and haven’t used it once. Last time I checked I was required to have it if I wanted to keep my auto insurance with them.