Air travel disruption after the 2010 Eyjafjallajökull eruption

Significant delays were reported earlier on Friday for flights to Germany or those passing through German airspace.

The delays were reportedly due to issues with air traffic management systems within German airspace.

Passengers at Athens International Airport were also affected, but the problem is gradually being resolved, according to aviation industry sources.

Sofia Airport operates for the second day in strong wind conditions, but remains open for arriving and departing aircraft.

At the moment, the flights are operating according to schedule, the press center of the airport informed BNT. The wind is still within acceptable limits for safe landings or takeoffs.

All flights in United States airspace have landed due to an emergency situation.

The reason is an error in the operating program system that serves to manage air traffic control.

The Federal Aviation Administration reports that the problem has affected the territory of the entire country.

The initial ban on all flights from China, South Korea, Iran, Italy and Spain is being extended until April 12, with the exception of those authorized by DG CAA, according to MTITC.

New 600 Lufthansa-operated flights were canceled on Friday - the second day of the cabin crew strike. Among them are three from Munich and Frankfurt to Sofia. Three flights from Sofia to Germany will not be fulfilled.

On Thursday, 700 flights were canceled, causing chaos at airports in Europe.

Pakistan has closed its airspace and several airports in India were also shut down after claims of shooting down of each other's fighter jets on Feb. 27, media and officials said.

Almost 640 flights were cancelled in Germany on Jan. 10 as security staff went on strike at three airports, meaning disruption for around 100,000 passengers.

Bali airport will reopen on Wednesday afternoon, authorities said, two days after a volcanic eruption spread ash across the island and forced the airport to close.

The airport will reopen at 3 p.m, reported Reuters.

German Company Lufthansa has cancelled 890 flights on Wednesday, including some long - haul flights. As a result, Sofia Airport confirmed that several flights of the company to and from Sofia were also cancelled.

The reason for the strike which started last week is the long - term disagreement between the management and the pilots on the amount of the pilots's remeuneration.

The Federation of Civil Aviation Authority Unions (OSYPA) has announced a 24-hour strike protesting against the Greek state airports privatization agreement.

As a result number of domestic flights are expected to be cancelled on Friday