Originally Posted by
jrquad
I am tempted to burn some PPs to EWR to NRT (which is becoming quite a popular flight) using 80 in K fare instead of 40 in W. But please confirm even with 1K this puts me behind almost everyone on the upgrade list and in the end will likely not grant the upgrade anyway.
The W probably won't clear either, so buying that to improve your upgrade chances is a fool's errand.
If R isn't available / you don't like the price (for Premium Plus), and you care to gamble, you can try L. I wouldn't buy up more than one fare class for a purely speculative upgrade.