Travelers nationwide could face cancellations and delays galore after the Federal Aviation Administration ordered airlines to cut flights at major airports amid the ongoing government shutdown— though it’s not yet clear when the changes will be announced.

Are international flights affected by flight cuts, airport reductions amid government shutdown? What to know and how to check, flight status tracker

Domestic air travel will be cut by up to 10% at 40 major airports, resulting in thousands of cancelled flights in the coming days.

As promised, the Trump administration followed through on cancelling flights due to the federal shutdown and its effects on air traffic controllers.

The Federal Aviation Administration will reduce air traffic by 10% across 40 major U.S. markets starting Friday morning to maintain safety during the ongoing government shutdown, the agency announced Wednesday.

The Federal Aviation Administration is requiring a 10% reduction of domestic flights at 40 high-volume airports across the country, including Miami, Fort Lauderdale, Tampa and Orlando. But the FAA now says the cutbacks will be done gradually over the next seven days.

Several airlines at Orlando International Airport (MCO) said they are offering flight changes, re-bookings, cancellations or refunds without penalty to customers affected by the Federal Aviation Administration's decision to reduce air traffic by 10% at 40 airports.

Cincinnati/Northern Kentucky International Airport (CVG) is among 40 airports experiencing flight reductions due to the government shutdown.