Originally Posted by
Mwenenzi
The pmUA purge data reports only recorded paid flights and flight earnings -- but not balances.
Balances were recorded in the monthly statements, but there have been no monthly statements since December 2014.
http://www.flyertalk.com/forum/unite...31-2014-a.html
So back to the OP's question on historical balances, since Dec 2014 -- only if you have maintain your own accounting. I have done this for years and have yet to actually find an issue -- but it helps from having a worry.