Reverse red-eye? Southwest is launching one of America's wildest itineraries

A year and a half ago, Southwest Airlines didn't operate any red-eye flights. Now, the carrier is getting set to offer one of America's wildest overnight itineraries.Last week, the Dallas-based carrier announced 15 new routes in a blockbuster reveal that'll bring more service to Austin, Nashville, San Diego and the Caribbean (among other places).But one of the most head-turning announcements didn't involve a new route at all.Starting in March, Southwest will offer a "reverse red-eye" option on its longtime Las Vegas-to-Honolulu route.SEAN CUDAHY/THE POINTS GUYWhat exactly is a reverse red-eye, you might ask?It's an unusual westbound red-eye flight where you takeoff very late in one city and time zone-hop backward, landing at your destination in the very early morning hours.A red-eye flight ... in the other directionUsually, red-eye flights run eastbound. This allows airlines to take off at night, take advantage of the time change, and land at their destination the next morning.This setup allows U.S. airlines to depart the West Coast at, say, 11 p.m. local time and land on the East Coast the next morning.This Southwest itinerary, though, will look a little different. Try to imagine ...