Wearing pajamas and robes, Southwest Airlines’ Chairman Herb Kelleher, right, and CEO Gary Kelly celebrate the retirement of the carrier’s last Boeing 737-200 on Jan. 17, 2005, in Dallas. (David Woo / Associated Press)
Southwest Airlines President and CEO Herb Kelleher speaks at a news conference at MacArthur Airport in Islip, N.Y., in December 1998. (Ed Betz / AP)
