Excel | CSV | Graphic Version
| May | June | July | August | |
|---|---|---|---|---|
| Has had no effect | 70 | 73 | 74 | 70 |
| Less inclined to travel by air | 25 | 22 | 20 | 25 |
| More inclined to travel by air | 6 | 5 | 6 | 6 |
NOTE: Respondents are interviewed the first two weeks of a month about their travel behavior during the prior month. Sampling error for each month is +/- 5%.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Survey, April-October 2002.