Originally Posted by
pinniped
Note: A3 also has some funky rules on what fares count for 100% tier miles. Most of the common leisure fares on UA are 50% qualifying. On US, they're 100% Check your own likely carrier(s) to see what counts and what doesn't.
I've got a YUL-LHR-SIN RT on LX in P later this year that posts at 200%, so I am going to post one direction on A3 to get over 20K and get *Gold, then post the return to UA.
I also make at least 6 or 7 flights a year YYZ-YUL so every third year I will post one of those to A3 to maintain it.