Southwest switch to new reservations system means hello red-eyes, goodbye overbooking

Southwest Airlines Co. on Tuesday will convert its domestic reservations systems to a new platform in a complex, $500 million move that will let the carrier launch red-eye flights and make other schedule changes.

In shifting to the Amadeus reservations systems for its domestic passengers, Dallas-based Southwest (NYSE: LUV) is attempting to avoid problems experienced by other airlines that have merged systems.

Southwest has also said the improved forecasting tools of the new reservations system…