I am a huge revolver fan, for multiple reasons but reliability isn't necessarily one of them.

A quality auto with quality ammo doesn't lend itself to jams. Personally I think cheap or bad ammo causes more jams than anything in both autos and revolvers, though I have seen several cheap pot metal pawls and hammer cams cause issues too, as well as early rising bolts.

I don't know if I'd say they have been carried a lot by any stretch-but my Glock 23 has never, EVER jammed. My Springfield Champion Operator 1911 only has jammed when I didn't resize cases properly.