Southwest Airlines lost $220 million in the final three months of last year because of a holiday meltdown that affected an estimated two million passengers, the company reported Thursday.Southwest executives said they also expect to report a loss in the first three months of this year, as customer cancellations rise and sales slow in January and February. The airline said fallout from the holiday turmoil would contribute to an estimated dent to revenue in the first quarter of this year of up to $350 million.“With regard to the operational disruptions, I am deeply sorry for the impact to our employees and customers,” the airline’s chief executive, Bob Jordan, said in a statement. He reiterated his confidence in the airline’s long-term financial goal …
