Passenger airlines

A static model of a Mitsubishi Aircraft Spacejet sits on display at the Singapore Airshow on Tuesday, Feb. 11, 2020, in Singapore. (AP Photo/Danial Hakim)

FILE - This Wednesday, July 17, 2019 file photo shows Southwest Airlines planes at Phoenix Sky Harbor International Airport in Phoenix. The Transportation Department's inspector general said in a report Tuesday, Feb. 11, 2020 that Southwest Airlines continues to fly airplanes with safety concerns, putting 17 million passengers at risk, while federal officials do a poor job overseeing the airline. (AP Photo/Ross D. Franklin, File)

The temperature of a person is checked as precautionary measures against the spreading of novel coronavirus, at Budapest Liszt Ferenc International Airport in Budapest, Hungary, Wednesday, Feb. 5, 2020. So far almost 900 passenger arriving directly from China have been examined at the airport. (Zoltan Balogh/MTI via AP)

People wearing face masks walk past a fashion shop in Hong Kong, Thursday, Feb. 6, 2020. Ten more people were sickened with a new virus aboard one of two quarantined cruise ships with some 5,400 passengers and crew aboard, health officials in Japan said Thursday, as China reported 73 more deaths and announced that the first group of patients were expected to start taking a new antiviral drug. (AP Photo/Vincent Yu)

Officials work on the wreckage of a plane operated by Pegasus Airlines after it skidded Wednesday off the runway at Istanbul's Sabiha Gokcen Airport, in Istanbul, Thursday, Feb. 6, 2020. Flights resumed Thursday after the airliner skidded off a runway, killing three people and injuring dozens. The Boeing 737 landed during strong winds and heavy rain and overshot the runway. It skidded about 50-60 meters (yards) before it dropped into the ditch from a height of about 30 meters (98 feet) (AP Photo/Emrah Gurel)

FILE - In this Sept. 12, 2018 file photo, a Ryanair plane parks at the airport in Weeze, Germany. Europe's busiest airline, Ryanair, said Monday Feb. 3, 2020, that the grounding of the new Boeing Max jets will delay its growth targets. The budget carrier, which is based in Ireland and carries more passengers than any other airline in Europe, plans to extend by a year or two its target of flying 200 million people per year. (AP Photo/Martin Meissner, File)

A man wears protective face masks stands in front of TV screens broadcasting Hong Kong Chief Executive Carrie Lam delivering a speech in Hong Kong, Monday, Feb. 3, 2020. Lam says the city will shut almost all land and sea border control points to the mainland from midnight to stem the spread of the novel coronavirus from China. (AP Photo/Vincent Yu)

In this Wednesday, Jan. 29, 2020, photo, Bill Chen stands outside of customs at San Francisco International Airport after arriving on a flight from Shanghai, where he was conducting business and visiting family over the Lunar New Year holiday. Chen said his temperature was quickly screened at the Shanghai airport before he departed. He also filled out a health questionnaire that asked if he had traveled to Wuhan or had any contact with someone who had been in the city, the epicenter of the coronavirus. "I feel a little bit sorry for people traveling on the plane," Chen said. "People have to be nervous in some way." (AP Photo/Terry Chea)

The Costa Smeralda cruise ship is docked in the Civitavecchia port near Rome, Thursday, Jan. 30, 2020. Italian health authorities are screening passengers aboard after a passenger from Macao came down with flu-like symptoms amid the global scare about a new virus. Passengers are being kept on board pending check to determine the type of virus. (AP Photo/Andrew Medichini)