Boarding a plane is subject to come with more than just checking the weight and dimensions of your carry-on bag.

With the current climate, passengers may be subjected to temperature checks before boarding planes to determine if they are healthy enough to fly.

Airlines across Asia, Europe, and now North America, have announced mandatory temperature screenings as a larger push to implement new health and safety policies as stay-home-restrictions are relaxed. 

Frontier is the only U.S. airline that will implement temperature checks so far starting June 1.  Anyone with a temperature of 100.4 degrees or higher will not be allowed on the plane.

Across the pond, Air France’s new rules went into effect on May 11th and like Frontier, its policy prevents any flyer from boarding the plane with a temperature of 100.4 or higher after being screened by an infrared thermometer.

Singapore Airlines passengers will also undergo a health assessment prior to boarding as reported in CN Traveler.  The screening includes questions about potential illness symptoms such as fever or cough, whether the passenger has been diagnosed with COVID-19 or pneumonia, and whether the passenger has been in close contact with any case of COVID-19 over the past 14 days. Those who answer yes to any of the questions will not be permitted to board.  Passengers with a temperature of 99.5 degrees or higher will also not be permitted to board. 

Air Canada’s temperature-check policy requires passengers to undergo a touchless temperature screening during the check-in process. Travelers with a temperature of 99.6 degrees or higher will not be allowed on board any flight.

Meanwhile, some airports, including London Heathrow, Puerto Rico’s San Juan airport, and Seattle’s Paine Field Airport plan to use thermal cameras to scan crowds for feverish temperatures.