See bottom for link to all "Airlines" category posts. Below are posts that are not necessarily time-dated.
26 September 2008 - Airline Fare Watchdog
5 November 2008 - Burbank Airport, transit convenience
4 December 2008 - PlaneBuzz.com
11 December 2008 - Reconfirming
22 December 2008 - America by Air - Smithsonian
5 March 2009 - Schedule change savvy
23 April 2009 - Elite on the cheap
19 May 2009 - Fares: "either/or" can be "mix and match"
25 June 2009 - The best frequent flyer programs for not-so-frequent flyers
7 July 2009 - United Airlines, credit cards, and travel agencies
10 July 2009 - You're going to love this ("United Breaks Guitars")
29 Jan 2010 - To Hawaii by way of Alaska
14 April 2010 - No bags fly free
22 July 2010 - Chicago, my kind of town (a lot about Southwest Airlines)
Click here to see all "Planes, Trains, & Automobiles" posts under the "Airlines" category