Combined profit margin for all US airlines was a touch above 6% in 2018. But that was still $11.8 billion in profit. https://www.bts.gov/newsroom/2018-annual-a

Combined profit margin for all US airlines was a touch above 6% in 2018. But that was still $11.8 billion in profit. https://www.bts.gov/newsroom/2018-annual-and-4th-quarter-us-airline-financial-data https://www.bts.gov/newsroom/2018-annual-and-4th-quarter-us-...