KEY POINTS
  • Airlines paused their plans for nonstop flights because of lengthy waits for testing upon arrival, sources tell CNBC.
  • American had planned to start a nonstop cargo flight between Los Angeles and Shanghai this month.
  • United has added a stop in Seoul on its San Francisco to Shanghai flight.
American Airlines Boeing 787-9 Dreamliner takes off from Los Angeles international Airport on November 11, 2020 in Los Angeles, California.

American Airlines and United Airlines are pausing plans to operate nonstop flights to Shanghai from the U.S. following reports of lengthy waits facing airline crews upon arrival, limited local accommodations and restrictions on their movement in the country, according to people familiar with the matter.

They will instead route the flights with a stop in South Korea, the people said, asking not to be named because they aren't authorized to talk about it.