This existed pre-COVID but is more of a thing now. See Half as Interesting - Why...

lathiat on Jan 11, 2022 | parent | context | favorite | on: Lufthansa confirmed that 18k flights had been flow...

This existed pre-COVID but is more of a thing now. See Half as Interesting - Why Heathrow Airport Had Empty Flights to Nowhere (3 years ago, pre-covid) https://www.youtube.com/watch?v=X8XZriAdB1g

RealLifeLore2 also covered the same topic as the original submission: https://www.youtube.com/watch?v=HR1a_LO4hSk