My VA uses flightstats.com to check if the routes flown are current. Downside of that site is that it can only go back or forth one day in time. So any routes I'll fly would have to be current.
Some very good suggestions though, keep them coming! I'm sure I'm not the only VATSIM/IVAO flyer in here who can't spend that many hours in front of the computer, no matter how excellent the addons might look.