Delta Connections regional jets operated by Endeavor Air were grounded Thursday for inspections to the aircraft Wi-Fi systems.

As conflict continues to escalate between the two nations, Delta Air Lines has made the decision to stop all flights from New York-JFK to Tel Aviv until at least August 31. "Delta has paused flights to Tel Aviv (TLV) from New York-JFK through August 31 in response to the current conflict in the region," Delta wrote in a statement on Friday.

Israel's attack on Iran scrambled air travel, with United and Delta flights to Tel Aviv turning around midway and other airlines canceling flights.

Airlines may cancel flights this summer as tariffs on aircraft and parts from Europe threaten vacation plans. Currently, those tariffs sit at 10%, but could potentially double to 20%.Spirit Airlines has warned it may have to cancel or delay the delivery of 92 new Airbus jets.

United Airlines also suspended its Tel Aviv service but did not specify when flights between its Newark Liberty International Airport hub in New Jersey and Israel might resume. The airline canceled one outbound flight from Newark on Thursday, while another flight that was already in the air returned to New Jersey.

Amid escalating tensions in the Middle East, airlines face disruptions and safety concerns, with flight cancellations and costly detours due to regional conflicts. Israeli attacks on Iran have intensified the situation,

Israel's strikes against Iran have prompted international airlines to halt flights to some Middle East destinations.

WASHINGTON (Reuters) -Delta Air Lines warned new tariffs on imported airplanes and parts could force the airline to stop buying foreign-made planes impacting millions of customers.