Most popular airline in N.O?

NEW ORLEANS -- A record 11.1 million passengers traveled through Louis Armstrong New Orleans International Airport in 2016, with more than a third using Southwest Airlines. The Dallas-based airline continued to dominate domestic flights in and out of New Orleans, shuttling more than 4.1 million travelers in 2016. That was double the number who flew Delta Airlines, the airport's second-largest operator. Total traffic at Armstrong Airport was up 4.4 percent from 2015, when the passenger count topped 10 million. (Source: Times-Picayune, 03/06/17)