A standard annual reminder to capture / archive your 2018 MileagePlus activity / flight history.

Presently (31 Dec 2018) data for calendar year 2017 and 2018 is the standard displayed account activity data. 2016 and 2015 are available as annual reports. 2014 and 2013 are available as quarterly reports and Dec 2012 as a monthly report. Early data is no available.

While the 2016 and older reports are available in the pre-fall 2018 account format, the 2018 & 2017 data is in the "new, improved" format and due to scrolling screens, a screen capture or print does not work well. But the Download Activity report generates a CSV (easily read by Excel) file that is reasonably useful.

The 2016 and older data is not available in CSV format. It is likely in a few months the 2017 data will be changed to a separate annual report and dropped from the standard activity view.

Anticipating a question, UA no longer offers a lifetime flight history. This has not been available since the merge in 2012 (due to the change in passenger data systems?).
Where to get my flight history and actual total lifetime miles (paid/award/partners)?