The government shutdown is fast approaching 40 days, and it's taking a toll on air traffic controllers who have been working for more than a month without pay.

Hundreds of flights in more than 40 of the country's biggest airports have been canceled because of a new FAA order to reduce traffic as a result of the government shutdown.

The announcement couldn't come at a worse time, as airlines and travelers gear up for the busy holiday season. If you're planning to fly soon, you should check with your airline.

The order affects airlines in major cities, including New York, Los Angeles, and Chicago. The FAA is cutting back on service by 10 percent across these airports to maintain safety as air traffic controllers show signs of strain from staffing and payment shortages caused by the ongoin

See Full Page