What can disrupt airport operations and cause a real havoc?
A number of reasons.
1)Adverse weather. Airport can be shrouded in fog, RW can be flooded or airfield can be snowed in.
2)Airport employees going on strike.There will be nobody who will provide service to passengers and flights.
3)Drone attact.In 2018 Gatwick airport suffered a havoc as it was buzzed with a number of drones.It disrupted its operation completely.
4)Covid.Airport hubs were closed as coronovirus wreaked havoc.
