AIRFARE
| Date | Clue |
|---|---|
| 2020-08-30 | Going rate? |
| 2016-08-06 | Soaring expense? |
| 2015-12-27 | Soaring cost? |
| 2013-02-01 | Delta factor? |
| 2011-09-06 | Expedia calculation |
| 2009-11-08 | United charge |
| 2006-10-08 | Expense report item |
| 2000-05-12 | Highflier's need |
| 1999-01-06 | American charge |