The only 9mm pistols I've ever owned that were less than reliable were CZ-75's. Never had a single malfunction with a 9mm made by Ruger, S&W, Glock, Beretta, Sig or Browning.
I've only seen a handful of 45's that were 100%. My current S&W 1911 as well as a Kimber have worked well as has the G-21. Had numerous issues with Colt, SA, Dan Wesson, RIA, FN, HK, and Taurus.