Historical clue formulations

• Keep from leaving port through low visibility — 2026-09-10
• Keep from flying, maybe — 2021-04-04
• Strand at the airport, maybe — 2020-10-15
• Strand at an airport, maybe — 2020-10-14
• Keep from taking off, as a plane with low visibility — 2013-11-01
• Strand at the airport, maybe — 2008-02-15