Whose fault was the Southwest Airlines meltdown?

Friday Forum: The airline canceled most of its flights this week. Should we blame it on the weather — or something else?

What the heck happened to Southwest Airlines this week?

The airline canceled most of its flights, blaming an "operational" disruption brought on by an intense winter storm. Southwest promised to do better. 

The Department of Transportation had a different take.

"The thousands of cancellations by Southwest in recent days have not been because of the weathe…