Per the email I received last week, US Airways is again offering up to a 100% bonus on purchased or gifted miles. This "Mystery Bonus" promotion is a slight variant from previous iterations, as the bonus you receive varies by individual frequent flyer account. You might receive a 25%, 50%, 75%, or 100% bonus on purchased and gifted miles.

US Airways frequently runs promotions offering bonuses to buy its miles, including one in December of last year. The deal is hardly a new proposition, especially if you receive an inferior 25%-75% offer like I did.

Delta has released its award chart for awards booked on or after January 1, 2015. Check it out here.

Great News: The lowest priced "Level 1" awards (formerly "Saver") will remain at the same price or drop compared to the award chart that goes into effect on June 1, 2014.

SkyMiles have seen a lot of changes the last few months:

First Delta announced a devaluation of its award chart for awards flown June 2014 or later.

I received a great TACA/Avianca LifeMiles credit card offer in my email inbox late last week. The LifeMiles Visa Signature card is offering 40,000 LifeMiles after spending $3k in the first 90 days.

20k miles are awarded after making your first purchase and you receive an additional 20k miles after spending $3,000 in the first three months of card membership.

Lufthansa is currently offering a whopping 10,000 Miles & More miles for a one-year print + digital subscription to The Economist. The offer details and sign-up page can be found here.

A one-year print & digital subscription to The Economist is $160 through the Lufthansa portal.

Part I Europe
Part II Asia
Part III Africa/Middle East
Part IV Australia/New Zealand
Part V Central/South America

Europe is an absolute award chart bargain compared to Aeroplan's mileage requirement for Asian travel. After Aeroplan's summer 2013 devaluation, its award chart for travel to Asia became very expensive relative to other carriers.

Sadly, United’s recent devaluation and Delta’s unprecedented double devaluation brought Air Canada Aeroplan miles in line with the likes of United and Delta.

I surprised my family of four by booking them roundtrip business class tickets to Italy for Christmas using US Airways miles. It is very difficult to find four flatbed business class award seats to Europe during peak Christmas travel time. With a bit of flexibility, I was lucky to snag a Lufthansa flight to Frankfurt on the outbound and the United flight below on the inbound. I previously reviewed Lufthansa's 747-8 business class, so I will skip ahead to the flight home.

United has recently increased their award chart prices to most regions.

Brussels Airlines award space now displays on United.com!

One of the most impossible premium cabin awards to find is now bookable!

Star Alliance carrier TAM has released excellent first class award space between its hub in Sao Paulo, Brazil and New York-JFK & Miami. In all my experiences at our Award Booking Service, I've never seen a TAM first class award seat....ever.

Check out the searches below using the ANA tool for two passengers. Both are during peak travel dates to South America: the World Cup this summer and in December when the weather is delectably hot.

Last month I booked myself an awesome award to the Maldives using AAdvantage miles and flying Etihad Airways Business Class.

Update: UA Insider on FlyerTalk confirms the delay in this post

The much-dreaded United award chart devaluation looks to be temporarily postponed until February 3rd.

Back in late October, United announced that they would be increasing the mileage costs of many awards, especially those flow in premium cabins.

United would also be splitting their award chart on February 1, 2014.