Next time you board a flight, just imagine you’re putting a $20 bill in the airline’s tip jar. Profit per passenger at the seven largest U.S. airlines averaged $19.65 over the past four years—record-setting profitable years for airlines. In 2017, it stood at $17.75, based on airline earnings reports. In truth, airlines now cover their costs...

Source: Wall Street Journal February 14, 2018 14:30 UTC