We want to use our A+ Rewards credits to upgrade to Business Class on a flight leaving this Saturday and our returning flight on March 10. It is our understanding that we need to call Air Tran 24 hours before our flight to redeem our credits for the upgrade. Is it worth getting up at midnight to make the call? Also, this is a cruise vacation so no cell service without paying large fees so is there a way to redeem the credits for both legs of the flight prior to leaving? We are new to this program and any help will be greatly appreciated!