I applied online. The process took 2 months. I interviewed at Southwest Airlines in Nov 2014
Interview
Phone interview for about 15 to 20 minutes, if you pass they company will fly you on-site interview in Dallas. Once in Dallas sit with department/ project manager, recruiter, and sometimes previous intern
Interview questions [1]
Question 1
Phone: behavioral questions, resume, and why southwest, or why your major, or why do you want this position
On-Site: Why /southwest, whats your favorite class, a time in a group when you did not contribute, questions about the company