United scared me a lot on Friday when it tweeted that changes were coming to MileagePlus.

United still hasn't told us what those changes are, but insists we'll like them.

It's very unlikely I'll like them much. It could be a minor enhancement, but there are very few things I would change about United MileagePlus that United would also change.

Swiss Business Class is one of the nicest ways to cross the Atlantic in a fully-flat bed, and it's definitely a product I'm anxious to try.

Update 12/17/13: The 50k mile offer is dead.

Update: United has now instituted a four-flights-per-one-way-rule. That limits you to three 23-hour layovers.

Deborah writes:
Goal: I want to start planning for a trip to Japan. My home airport is Washington-Dulles. Assuming I am starting from scratch, for which airline does it make most sense to start collecting miles?
So which program is best from the east coast to Japan? My advice and reasoning after the jump.

I would definitely focus on United miles if I were Deborah.

A few months ago, Bill wrote a great piece titled Beware Phantom Award Availability at United.com. It's true that United.com occasionally lists Saver award space that just doesn't exist and that you can't book online or by phone.

I've just come across the opposite: phantom non-award space.

Update 3/6/14: This post is outdated. See Master Thread: Holds on United Awards

You can get a free hold of up to three days on United Airlines awards.

Rookie Alli just flew her first international business class flight. I asked her to share the perspective of someone seeing the front of the plane for the first time. She flew United BusinessFirst, which is widely accessible to Europe, Asia, Australia, and South America with miles, so if you haven't flown up front, pay attention to this trip report.

It's May 21, and you just realized you want to go to Europe this summer. You're not alone--that's probably the most common request my Award Booking Service is getting right now.

The good news is that finding award space to Europe this summer is still possible, especially if you are flexible.

Which routes have space? Which airlines will open up more award space?

The best time to plant a tree was 20 years ago. The next best time is now. ~Chinese Proverb

The best time to book an award to Europe for the summer was last fall.

Disclaimer: I use the word "upgrade" a few times in the post. I am not referring to buying a cash ticket in economy and trying to use miles or cash to get it into business class. I am referring to using miles to change an award from economy to business. The first type of upgrade is almost universally a bad deal. The second type is a fine deal.

United has a litany of award fees. Booking by phone is $25. Cancelling is $150.