The Digester

How passenger planes keep flying during war

Mar 16th 2026

During conflicts, air traffic controllers, pilots and cabin crew use rerouting, extra fuel, strict separation and staff rotations to keep commercial flights safe through congested or restricted airspace.

  • Flights are rerouted into alternative corridors, making regions like Egypt and Georgia much busier.
  • Air traffic controllers handle far more aircraft and are rotated more frequently with extra staff to prevent fatigue.
  • Controllers maintain strict vertical and horizontal separation to manage wake turbulence and different aircraft sizes.
  • Pilots file alternate routes and carry extra fuel to allow for diversions or returns to origin.
  • Airlines and regulators usually plan airspace avoidance in advance, and sudden closures are rare but managed by set procedures.
  • Cabin crew focus on safety and passenger reassurance while crews cope with longer, more complex schedules and extra stops.