from ten airplanes in eight muslim majority countries. an expanded ban could impact more than 350 flights a day, the europe to u.s. track is the world s busiest international corridor. du delta, united as well as american airlines are the carriers that would be impacted the most. they have most flights on this route. right now airlines are trying to figure out new protocols and policy for they are also working to reconfigure the set up for flights bound to the u.s. they said that the ban was put into place because intelligence suggests that terrorists have perfected their ability to hide explosives in the battery components of these electronics. european officials are voicing safety concerns that there will be a large number of electronic e devices with lithium ion batteries in the cargo hold, but