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Jan 11 — Miami International Airport will close an airport terminal early over the next few days, officials said on Friday, with more unpaid security officers absent from work as the partial government shutdown has dragged on.

The airport said that on Saturday, Sunday and Monday it will end flights at 1 p.m. from Concourse G and relocate them to either to Concourse F or Concourse H. Miami is the 14th busiest U.S. airport, handling 20 million passengers annually.

The Transportation Security Administration's (TSA) 51,000 officers will miss a paycheck on Friday as the shutdown hits its 21st day. The screeners are among the lowest-paid federal employees. While they will be paid once the shutdown ends, many say they will struggle to pay bills in the meantime.

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Airport spokesman Greg Chin told the Miami Herald that TSA screeners are calling in sick at twice the normal rate for Miami and managers were not confident they would have enough workers to operate all 11 checkpoints during normal hours.

"We felt we had to make a decision before the weekend,” Chin told the newspaper. “They’re erring on the side of caution.”

TSA spokesman Michael Bilello said that "in an effort to optimize resources without degrading screening and security effectiveness, where it is feasible, TSA is working with key stakeholders and industry partners to explore efforts to consolidate officers and operations."

Chin told the newspaper G is the slowest terminal at Miami Airport and 12 planes typically fly out of G after 1 p.m.

A TSA spokesman said the terminal closing early will not affect flights. United Airlines and some smaller international airlines use Concourse G. United did not immediately comment on whether any of its flights would be shifted as a result of the early closing.

TSA said on Friday it had an unscheduled absence rate of 5.1 percent Thursday compared to a 3.3 percent rate a year ago.

Nationwide, TSA screened 1.96 million passengers Thursday and 99.9 percent of passengers waited less than 30 min, the agency added. (Reporting by David Shepardson; Editing by David Gregorio)