Southwest's new $35 bag fees violate core behavioral psychology principles, potentially costing more in customer loyalty than ...

Flying with Southwest Airlines? You'll now need to pay for checked bags. Here's what to know about fees under the new policy.

Times have changed, and one of the pillars of its business model -- "bags fly free" -- has finally fallen by the wayside.

It's the last day to book a flight on Southwest Airlines without being hit with a fee to check bags after the airline ...

Southwest revealed to customers on Tuesday that moving forward, it will charge $35 for a first checked bag and $45 for a second, applying the usual weight and size restrictions.

Those who are members of the airline’s A-List tier of its Rapid Rewards loyalty program, Southwest Airlines credit card ...

Travelers now have to factor in the cost of checking luggage. Southwest is also now charging for checked bags.

It's the last day to book a flight on Southwest Airlines without being hit with a fee to check bags after the airline ...