TripAdvisor: Holiday travel to be down slightly By Natalia Thomson / December 09, 2010 Share 1 -- The number of Americans planning to travel for the December holidays is down slightly at 42% compared with the 45% who said they were planning to travel for the holidays a year ago, according to a TripAdvisor survey conducted among more than 1,000 U.S. travelers. Despite this, two-thirds of respondents said the economy is not affecting their holiday travel plans. Among the 34% factoring it in, 19% are not traveling and 6% are taking a shorter trip than usual. Among those planning to travel for the holidays, 45% are planning to fly, while 51% expect to drive. Nineteen percent of travelers plan to spend more on their holiday travel this year than last, and 60% of travelers plan on spending the same amount. The survey found 45% of respondents would choose a tropical getaway as their dream destination for the holidays, with 24% selecting a European destination and 14% wanting to travel to anywhere that loved ones reside. Airline delays and cancellations are the top travel annoyance during the holidays, with 24% selecting this as their biggest bugbear. Inclement weather (21%) and bad traffic (13%) were also highlighted as issues. Orlando is the top U.S. destination for holiday travelers this year, followed by New York, Boston, Chicago and Las Vegas.