Originally Posted by WHBM
The typical service ceiling is pretty much the same for most major types, around 40,000 feet or a bit more. I've been at 43,000 in an A330 which is my highest known record.
Rather remarkably I flew from EDI to LGW about a month ago on an A319 in the evening at 43,000ft. We were only there for about 10 minutes, but we did make it!