When travel shut down in response to the COVID 19 pandemic, airlines struggled to survive and continue to have profitability challenges in 2021. At the following website

https://floridapanhandle.com/airline-profitability-statistics/?airline=american&seats=108

 some people have put together a graphical representation of breakeven analysis for different airlines. Spend some time exploring the data provided and post on the discussion your observations about the information including the cost structure of airlines. Your post should comment on why airlines would struggle so much with a drop in passengers and what you see in comparing the different airlines.