U.S. Transportation Secretary Sean P. Duffy launched a new civility campaign to bring courtesy, safety, and respect back to air travel just in time for the holiday rush. With unruly passenger incidents rising, this campaign reminds us to show up with more awareness and care in shared spaces. As an etiquette expert and former flight attendant, here are my top travel etiquette tips for the season: 1. Pack Your Patience Holiday travel is stressful for everyone. Arrive early and expect lines and del