Hi DCPoorGuy,

Whereas I don't know the exact answer to your question, I believe that they can change several times in a day. I also believe that I read somewhere once that a lot of airlines load fare sales on Tuesdays. I don't know whether that's a fact or if its just hearsay. Either way, this thread subject is more appropriate for the TravelBuzz forum as its not directly Mileage Run related. I will go ahead & move it there where you may get better responses to your question.

Thanks!

bhatnasx
Mileage Run Moderator