The market in air cargo from China to the U.S. is already under strain because of limited flights.

JB Hunt fired the first warning shots during its quarterly results, saying demand was weak, sending shares of the whole group lower. Then Knight-Swift followed.

One witness said there was a disconnect between Boeing management's words about safety and what workers observe on the factory floor.

In October, Brink’s sued Air Canada, accusing the country’s largest airline of “negligence and carelessness.” Air Canada rejected the allegations. 

The Malaysian flag carrier will reroute flights to avoid airspace over parts of the Middle East, requiring more fuel and spurring the need to lighten its load.

The union message underscores the heightened scrutiny on airline safety following a January incident in which a panel blew off the side of an Alaska Airlines plane mid-flight.

Iran’s airspace is frequently utilized by airlines traveling between Europe and India or Southeast Asia.

Avoiding the Suez Canal is raising volumes at European seaports farther from the conflict, leading to more combined sea-air transport through hubs such as Dubai.

United already had planned several changes, including an additional day of in-person training for pilots starting in May, and a centralized curriculum for new maintenance technicians.

E-commerce is bringing new opportunities to air cargo, both domestic and international, says Milind Tavshikar, chief executive officer of SmartKargo.