In a message dated 12/17/2004 1:04:54 AM Central Standard Time, mgreenwood@xxxxxxxxx writes: This will be really new ground for Southwest because in order to code share they will have to have an interline agreement and I don't think LUV has ever don that before. WN has, however, done plenty of intraline and since this will basically be an integration of the schedules (much like NW/KL) it should not be too much trouble