I will be EXP before years end so for 2019 will have the 4 SWUs to use. I would like to use them for international travel, probably Europe but may decide on an Asian destination like HKG or Japan(or other cities in China that AA flies to. I hear so many grumbles out there about clearing these upgrades, especially to Europe if not anywhere. Also, since it has to be on AA metal there are only so many destinations to choose from.

What European destinations would give me the best chance? Or what about Asia? We will probably go in Oct, maybe Nov, assume the latter gives us a better chance. I'd love to pick a destination that gives us the best chance for success.

My home airport is SBA(Santa Barbara, CA) I see seasonal flights are planned on AA metal PHX to LHR in addition to the BA flight. Real easy for me to go SBA to PHX so and SBA-PHX-LHR is a good route for me. But, being London, very popular I'd assume. And, they probably has more saver availability on BA than their own flights I'd bet. If I did focus on this what's a good strategy like month and day to leave?

If this post should be elsewhere moderators please move it. I didn't see another good place to post this question.