India, April 18 -- Southwest Airlines is undergoing significant changes to its fare structure and flight credit policies, moving away from its traditional approach.

From May 28, the airline will change its 'Bags Fly Free' policy - in which all passengers could check two bags without any additional charges. The new policy will allow only certain customers to continue enjoying free checked baggage, such as the A-List Preferred members and Business Select fare customers. A-List members and Southwest credit card holders will be offered one free checked luggage only. All the other passengers will be subject to luggage fees.

To stay competitive with low-cost carriers, Southwest Airlines will introduce a Basic Economy fare which will come with...