A drone attack on Azerbaijan has narrowed choices for airlines scrambling to respond to disruption in the Gulf.
There was likely to be congestion at busy times of the day, for example west to east in the afternoon and evening when Europe to Asia flights are typically scheduled, and east to west early in the morning when flights tend to come from Asia to Europe, he said.
— Source: BBC News (https://www.bbc.com/news/articles/crrx1jgr4jjo)