https://wccftech.com/microsoft-flight-simulator-2020-will-feature-all-airports-on-earth-though-80-will-be-more-detailed/

Microsoft Flight Simulator 2020 continues to be slowly unveiled by developer Asobo Studio (A Plague Tale: Innocence).

In the sixth 'Feature Discovery Series' episode posted yesterday, Asobo discussed the game's airports. First of all, the starting database was taken from Microsoft Flight Simulator X (the last franchise entry, released in 2006), which featured about 24K airports. The new game will up that number to 37K, or basically every airport on Earth. However, some of them have been given special care as explained by Sven Mestas (Lead Game Designer).