Developer website: Southwest Airlines
DING! is a specially designed tool that brings live updates of southwest.com offers directly to your desktop, allowing you to get a jump on the latest southwest.com sales. In addition, the DING! application provides quick and easy access to popular southwest.com Travel Tools like Online Checkin and Flight Status! Using DING! can help you save time and money.
Mac OS X 10.3.9 or later