| 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | | Consumer Complaints Against U.S. Airlines | | | | | | | | | | | | | | | | | | | Advertising | 122 | 344 | 141 | 89 | 96 | 96 | 54 | 51 | 94 | 66 | 61 | 57 | 39 | 57 | 42 | 42 | 43 | | Animals | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | 1 | 6 | 0 | | Baggage | 2,149 | 7,438 | 3,938 | 1,702 | 1,329 | 883 | 752 | 627 | 761 | 628 | 882 | 826 | 1,105 | 2,351 | 2,753 | 1,965 | 1,081 | | Credit | 40 | 101 | 35 | 19 | 5 | 10 | 10 | 4 | 2 | 4 | 3 | 1 | | | | | | | Customer Service1 | 702 | 3,888 | 2,120 | 1,002 | 758 | 714 | 695 | 599 | 805 | 667 | 999 | 1,418 | 1,716 | 3,657 | 4,074 | 2,531 | 1,481 | | Disability2 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | 331 | 520 | 612 | 457 | 420 | | Discrimination3 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | (NA)8 | 164 | 174 | | Fares4 | 468 | 937 | 455 | 341 | 312 | 388 | 573 | 398 | 267 | 185 | 180 | 195 | 276 | 584 | 708 | 568 | 436 | | Flight Problems5 | 3,390 | 18,019 | 8,831 | 4,111 | 3,034 | 1,877 | 1,624 | 1,211 | 1,586 | 1,133 | 1,628 | 1,699 | 2,270 | 6,449 | 8,698 | 5,048 | 1,808 | | Other | 424 | 1,387 | 925 | 584 | 342 | 342 | 228 | 186 | 225 | 408 | 269 | 331 | 427 | 762 | 684 | 493 | 259 | | Oversales6 | 849 | 2,122 | 1,353 | 607 | 399 | 301 | 265 | 257 | 301 | 263 | 353 | 414 | 387 | 673 | 759 | 539 | 363 | | Refunds | 1,627 | 3,313 | 1,667 | 1,023 | 701 | 783 | 721 | 482 | 393 | 576 | 521 | 531 | 601 | 935 | 803 | 942 | 736 | | Smoking | 311 | 888 | 546 | 232 | 74 | 30 | 25 | 30 | 20 | 15 | 13 | 5 | | | | | | | Ticketing/boarding7 | 687 | 2,458 | 1,445 | 821 | 624 | 659 | 680 | 577 | 598 | 666 | 857 | 904 | 805 | 1,329 | 1,405 | 1,310 | 897 | | Tours | 33 | 90 | 37 | 22 | 29 | 23 | 12 | 16 | 127 | 18 | 16 | 13 | 23 | 28 | 25 | 11 | | | Total | 10,802 | 40,985 | 21,493 | 10,553 | 7,703 | 6,106 | 5,639 | 4,438 | 5,179 | 4,629 | 5,782 | 6,394 | 7,980 | 17,345 | 20,564 | 14,076 | 7,698 |
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| Footnotes | | 1 Unhelpful employees, inadequate meals or cabin service, treatment of delayed passengers. | | 2 Prior to 1998, included in ticketing/boarding. | | 3 Allegations of discrimination by airlines due to factors other than disability, such as race, religion, national origin or sex. | | 4 Incorrect or incomplete information about fares, discount fare conditions, and availability, etc. | | 5 Cancellations, delays, etc. from schedule. | | 6 All bumping problems, whether or not airline complied with DOT regulations. | | 7 Errors in reservations and ticketing; problems in making reservations and obtaining tickets. Includes disability complaints prior to 1998. | | 8 Not available. |
| Source | U.S. Department of Transportation, Aviation Consumer Protection Division , Air Travel Consumer Report, monthly. See Internet site <http://airconsumer.ost.dot.gov> |
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