DFW AIRPORT (CBSDFW.COM) – Hurricane Sandy hasn’t made landfall yet but the storm is already having an impact on travelers.

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An estimated 3,500 flights nationwide have been canceled in anticipation of the storm. Fort Worth-based Amercan Airlines and American Eagle canceled 140 flights Sunday and pre-canceled 1,431 flights through Wednesday.

Some of the most affected cities for flight cancellations are Newark, Washington D.C. and Philadelphia.

Lauren Durso’s flight to Boston was canceled. “We might have to rent a car and driver. We are trying to get home, back east as soon as possible,” she said. “We are just trying to get back to our families.”

Boston resident Rob Gentile arrived at DFW International Airport only to find out it was canceled due to the storm. Gentile and his wife were told the next flight to Boston would be leaving Thursday.

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Airlines are waiving change fees for travelers going to and from select east coast cities, so Gentile and his wife are trying change their flight to Florida to stay with him until the storm passes. “We probably won’t have power for a couple days, at least we won’t have to be there without power,” he said.

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DFW International Airport is prepared for any passengers who might be stranded. The airport will keep restaurants and shops open later and is ready to distribute hotel vouchers, cots or toiletry kits for those in need.

Airlines anticipate more delays and/or cancellations in the aftermath of the storm.

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