Originally Posted by
sgrunt
UA definitely doesn't pay for pax to access, either for cabin or status. The only way to get in if flying UA metal is with PP or another 3rd party program.
Originally Posted by
meijiem
You can try to go to the domestic side first and use the lounge, but be prepared that the staff at CATSA will likely tell you it's not allowed. Sometimes they say it's fine. If they let you through, you can use the MLL.
If you do go to the domestic side first, you have to leave airside and go through security again at the transborder area.
This is the correct answer re the MLL. OP, unless you have a ton of time to waste, I'd say it's not worth the hassle to try.