I asked Teresa Laraba, the airline's senior vice president for customers, to explain what customers should do if they're affected.

Southwest’s Laraba says booking glitch “neither the experience nor the impression we hope to leave with our customers”

At this hour, the likely culprit in this weekend’s Southwest Airlines fare-sale drama is a faulty database, which triggered an excess of 10,000 double-bookings. You’ve read the horror stories. I asked Teresa Laraba, the airline’s senior vice president for customers, to explain what went wrong and what customers should do if they’re affected.