CHARLOTTE, N.C. -- Most US Airways flights were canceled Tuesday at Charlotte-Douglas International Airport because of icy conditions and a shortage of deicing fluid.

Only four US Airways flights to the west-coast and a handful of trans-Atlantic flights were expected to operate Tuesday night. More than 200 domestic flights to and from Charlotte have been canceled. By Tuesday afternoon, more than 1,300 US Airways flights had been canceled across the country.

US Airways is the largest airline operating out of Charlotte, but the airport said other airlines were operating on a limited schedule, including American, Delta, United and JetBlue.

In a release, the airport said several factors were influencing travel conditions: the lack of deicing fluid, reduced airline staffing and staffing for the transportation security administration, which runs checkpoints, and airport logistics along the east coast, where many major cities are battling winter weather.

Earlier in the day, US Airways said it was delaying flights because of icy ramp conditions, and limited ramp space to receive additional flights.

The airline says that passengers who reschedule flights can do so without incurring a fee.

The cancellations compounded weather-related air travel troubles at Charlotte-Douglas International Airport, with passengers facing another day of flight cancellations.

Hundreds of stranded passengers slept overnight at the airport.

The flight cancellations, which started Sunday when the strong winter storm approached Atlanta, continue for the third straight day.

And US Airways canceled several flights Monday night after the Charlotte airport began running low on de-icing fluid. Charlotte-Douglas International airport deices US Airways planes, the other airlines deice their own planes. An airport spokeswoman said the airport was using more deicing fluid than usual because of the weather conditions, causing the shortage.

The first flight to take off Tuesday from Charlotte was shortly before 7 a.m., when a Delta jet left for New York City. But only three of 16 departures between 6 and 7 a.m. were not canceled. About two-thirds of scheduled departures from 7 to 10 a.m. also have been scrubbed.

And only two of about 20 flights scheduled to take off between 10 and 11 a.m. have not been canceled.

Security Checkpoint A was closed Tuesday morning at Charlotte-Douglas International because not enough Transportation Security Administration (TSA) workers could reach the airport to open the checkpoint.

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