Historical clue formulations

• "Expect ___" (road sign) — 2020-10-04
• Transportation problems caused by 27-Down, say — 2018-11-26
• Airport woes, as due to bad weather — 2013-12-02
• Travelers' headaches — 2006-03-03
• Snags — 2004-02-05
• Holds up — 2003-10-21
• Airport woes — 2002-06-22
• Fliers' frustrations — 2000-01-06
• Holdups — 1995-03-19