According to Orbitz.com ticket sales, here are the 10 airports expected to be the busiest terminals during the Thanksgiving week (11/22-11/30). The airport's rank last year is in parentheses. If you're headed to any of these places, expect a crowd. But less so than last year since industry experts project a 10% drop-off in airline passengers.

1. Las Vegas MacCarran International (10)
2. New York's LaGuardia Airport (4)
3. Chicago O'Hare (1)
   
4. Los Angeles International Airport (2)
   
5. San Francisco International Airport (7)
   
6. Dallas/Fort Worth International (9)
   
7. New York Newark International Airport (8)
   
8. Miami International Airport (-)
   
9. Denver International Airport (3)
   
10. Seattle-Tacoma International Airport (-)