The worst impediments to air travel are caused by the Iran-Israel war.

Airspace in ten nations has been closed since the Iran-Israel war, causing thousands of flights to be disrupted and hundreds of thousands of passengers to become stuck.
Iran, Iraq, Israel, Kuwait, Bahrain, Qatar, and Syria have all blocked their airspace, according to a spokesman for the Pakistan Civil Aviation Authority.
The representative went on to say that aviation operations are still prohibited in the airspace of the United Arab Emirates, Lebanon, and Jordan.
According to the spokeswoman, airports in the United Arab Emirates, including those in Dubai and Abu Dhabi, would stay closed until this afternoon.
Nonetheless, the Pakistan Civil Aviation Authority affirmed that all flight operations are safe and permitted in Pakistani airspace.
As much of the region’s airspace remained closed, major transit airports such as Dubai, the biggest international hub in the world, Abu Dhabi in the United Arab Emirates, and Doha in Qatar, were closed or severely restricted.
Earlier, Iran’s retaliatory attacks damaged Dubai International Airport and also damaged airports in Abu Dhabi and Kuwait.
With their closely planned networks of connecting flights, Dubai and neighboring Doha are at the intersection of east-west air travel, directing long-haul traffic between Europe and Asia.
Worldwide airline schedule disruptions resulted from aircraft and staff remaining stuck out of position due to those hubs being idle.
“It’s the complexity and the sheer number of people,” stated John Strickland, an aviation analyst based in the UK.