Southwest Airlines Co. began offering for sale new nonstop service between Chicago (Midway) and both Montego Bay, Jamaica, and Punta Cana, Dominican Republic. The flights available for sale now at airtran.com will begin this spring, subject to governmental approvals, and will be operated by Southwest's wholly owned subsidiary AirTran Airways.

AirTran Airways nonstop flights between Chicago (Midway) and Montego Bay: Begin April 14. Will operate on Mondays, Tuesdays, Fridays, and Sundays AirTran Airways nonstop flights between Chicago (Midway) and Punta Cana: Begin May 19. Will operate on Mondays, Thursdays, Saturdays, and Sundays air service subject to governmental approvals.