In-Flight Survey Response Rates 1990-2003
Breakout for Airline and Passenger Responser Rates
  # of Flights # of Flights Airline # of Airlines Passenger Total # of
  Requested that were Response Participating Response Respondents
Year Surveyed Surveyed Rates in Survey Rates Per Year
2003 5,538 3,329 56% 54 46% 66,533
2002 5,858 3,742 64% 50 47% 73,525
2001 5,282 2,736 52% 47 41% 59,110
2000 5,109 2,514 49% 48 49% 62,568
1999 5,999 3,371 56% 53 50% 81,398
1998 6,029 3,141 52% 59 50% 78,517
1997 6,449 3,659 57% 56 49% 94,075
1996 5,405 3,015 56% 55 50% 79,642
1995 6,134 4,231 69% 60 55% 87,278
1994 6,383 4,194 66% 62 62% 90,260
1993 6,431 3,725 58% 61 55% 91,927
1992 4,746 2,915 61% 60 62% 87,547
1991 2,522 1,796 71% 54 59% 81,211
1990 2,657 1,944 73% 48 59% 89,896
             
Source:  U.S. Department of Commerce, International Trade Administration (ITA) Office of Travel and Tourism Industries, March 2005