Airlines are inundating customers with credit-card offers, hoping to widen a lucrative and steady revenue stream as they rely more on income beyond fares. Every major U.S. carrier earned more from credit-card and loyalty programs in the second quarter than during the year-earlier period, financial disclosures show. For many airlines, those increases outpaced overall sales growth. Much of the revenue comes from the credit cards associated with loyalty programs, though the programs don’t necessarily require customers to have...

Source: Wall Street Journal August 27, 2018 09:34 UTC