What is the largest airline at LAX?
Delta Air Lines Paul International Airport (MSP) and Seattle-Tacoma International Airport (SEA), the airline is also the largest carrier at the heavily competitive hub that is LAX. Delta Airlines is the overall top carrier on our list of the 10 Best Airlines in the US, but for safety, it shares last place with United.Financials. Delta Air Lines ranks first by revenue, total assets, market capitalization and brand value.