Southwest cancels more flights, draws federal investigation

Southwest Airlines’ aircraft parked on the tarmac of LaGuardia Airport, Tuesday, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest Airlines that have left travelers stranded at airports across the country amid an intense winter storm. (AP Photo/Yuki Iwamura)

Cancelled Southwest Airlines flights are seen on the flight schedules at LaGuardia Airport, Tuesday, Dec. 27, 2022, in New York. The U.S. Department of Transportation says it will look into flight cancellations by Southwest that have left travelers stranded at airports across the country amid an intense winter storm. (AP Photo/Yuki Iwamura)

A person looks for lost luggage near the baggage carousel at Chicago Midway International Airport, Tuesday, after Southwest Airlines flights were cancelled and delayed during winter storm Elliott. Passengers from flights across the U.S. looked for and waited for their lost luggage Tuesday morning. (Pat Nabong/Chicago Sun-Times via AP)

DALLAS — Southwest Airlines scrubbed thousands of flights again Tuesday in the aftermath of the massive winter storm that wrecked Christmas travel plans across the U.S., and the federal government said it would investigate why the company lagged so far behind other carriers.