Planes. Similar to rain, they are heavier than air. Unlike rain, they are MUCH heavier than air. Like seriously. Planes weigh thousands of tonnes or something. And they move through the air. Thousands of feet above our heads. Hmm.

Okay. So there is some kind of craziness with aerofoils and thrust, and consequent lift and dude whatever. This is silliness. The diagram provides a demonstration.

Moral of the story: Planes are too heavy.