Here's a thread from a year ago on the flights that ONE aircraft made in a month - the Continental Airlines 777-200ER painted by Peter Max.

http://flyertalk.com/forum/showthread.php?t=449242

I tallied up the first month, from around 7/3 to 8/3. It made about 53 flights without any down time. The flights are relatively short, as it didn't do HKG or PEK (and CO hasn't started DEL). Say average flight is 9 hours, that makes it in the air for about 14 hours a day. Turn around time, some overnight at IAH or EWR, and long layover at TLV.