The FAA has closed its investigation into airline compliance with mandatory flight reductions during the federal government shutdown last year without any public findings or fines.
According to Reuters, FAA Administrator Bryan Bedford wrote in response to questions from U.S. senators that all airlines except one were found to be in “substantial compliance” with the restrictions.
The outlet said it saw a copy of Bedford’s written responses.
The unnamed carrier that was not in compliance with the agency’s orders “received an administrative warning,” according to the report.
It was not immediately clear if any other action would be taken, or if the details of the probe would be made public.
The FAA in November cut flights at 40 of the nation’s busiest airports in an attempt to ease the burden on air traffic controllers working without pay due to the government shutdown. The reductions – which targeted airports such as Chicago O’Hare, Denver, Atlanta, Los Angeles, New York-JFK, and many more – resulted in thousands of canceled flights per day, in addition to thousands of delays.
Cuts started at 4%, rose to 6%, and were dropped entirely days after the federal government officially reopened on Nov. 12.
In December, the FAA said it would investigate whether major airlines had complied with the restrictions. The agency warned that carriers could face fines of up to $75,000 per flight that exceeded the emergency limits.

