I don't think that "time to solo" has much meaning when it comes to assessing one's prowess as a pilot.
I had a very similar route to powered flight as shortstripper but, thanks to some amazing instruction from two RAF test pilots, I soloed in 3.5 hours in a DH82A. Thirty years later with about 75 hours I started to fly again after a break of 23 years. This time it took me about 5 hours to solo in a Cessna 152.
This year I will celebrate, hopefully, having my PPL for forty years but, with over 300 hours in my logbook, I am only too painfully aware how slow I have been to learn some fairly basic aspects of flying that others seem to grasp very quickly. A big thanks to many pprune posters for helping me along the way.