![Airplane overlaid over financial charts, illustrations of the coronavirus, and a global map](https://flightsafety.org/wp-content/uploads/2020/04/covid-19_apr20_featured.jpg)
Passenger demand for international and domestic travel registered small month-to-month improvements in May but revenue passenger kilometers (RPKs) were nearly 63 percent below the level recorded in May 2019, before the COVID-19 pandemic, the International Air Transport Association (IATA) says.