Airspace closures throughout the Middle East ground, divert flights as Iran launches drone attack on Israel

“We are closely monitoring the situation and will make decisions on upcoming flights with a focus on the safety of our customers and crews,” United said in a statement. The carrier is the only U.S. airline to have resumed service to Israel since October. Delta was scheduled to restart flights to Tel Aviv on June. 7. American Airlines has not resumed Israel service.

United also canceled its flight from Washington Dulles International Airport to Amman, Jordan on Saturday night, “due to unrest in the Middle East.” United also canceled its Newark-Dubai flight on Sunday.

It was not clear when flights would resume.

Some flights avoided large swaths of airspace in the Middle East, reroutes that delayed some planes, Swiss International Airlines said.

Flight-tracking site Flightradar24 said multiple flights bound for Tel Aviv and Amman had diverted on Saturday.

Airlines also canceled service scheduled for Sunday. Israel’s El Al cancelled more than 20 Sunday flights. Two El Al flights headed for Israel from Thailand diverted to Bangkok. The carrier told passengers not to come to the airport until notified.

Emirates Airline canceled its Dubai-Amman flight scheduled for Sunday. Air France’s Israel service was canceled for Sunday and British Airways canceled its two flights to Tel Aviv on Sunday and scrubbed a flight to Amman. Lufthansa also canceled its service to Israel.