This glitch is still in the system.

I held two flights on Friday night and I discovered both were cancelled at midnight; and the price had increased the next day.

The AA agents on this side of the Atlantic don't know about the problem and are reluctant to do anything.

Web support in UK(well Ireland) only works office hours. With some hassle they will no doubt sort things out, but it makes a mockery of a internet booking site when you have to phone and explain the problem each time.