The odds of catching Covid-19 on an airplane are slimmer than you think, scientists say
https://edition.cnn.com/travel/article/odds-catching-covid-19-flight-wellness-scn/index.html
This article says the possibility to catch the virus is 1 in 4300, meaning 0.02% at most, if all the passengers wear masks. And death rate of COVID-19 is under 0.2%.
It means fatality rate of catching COVID-19 on airplane is under 0.0005%. it's less than encountering airplane crash.
