A "passenger airline" refers to an airline that transports people from one destination to another. It mainly focuses on carrying travelers rather than cargo or goods. Full definition
I'm the most comfortable passenger the airline industry ever invented. (inc.com)
He also rejected Conservative calls for VAT on passenger airline tickets, claiming this would only save 50,000 tonnes of carbon by 2020. (politics.co.uk)
A sharp increase in air freight demand has been a boon to passenger airlines as well. (cnbc.com)