Starting on Friday, the Federal Aviation Administration will cancel around 10 percent of flights at 40 major airports due to the government shutdown that just became the longest in history.

The airports were previously unspecified, but there is now a preliminary list that is subject to change, according to The Hill . The full list will be confirmed later today by the FAA.

Here’s the reported preliminary list:

Anchorage International (ANC)

Hartsfield-Jackson Atlanta International (ATL)

Boston Logan International (BOS)

Baltimore/Washington International (BWI)

Charlotte Douglas International (CLT)

Cincinnati/Northern Kentucky International (CVG)

Dallas Love (DAL)

Ronald Reagan Washington National (DCA)

Denver International (DEN)

Dallas/Fort Worth International (DFW)

Detroit M

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