🧴🛄 The 3-1-1 rule with United Airlines refers to TSA guidelines for liquids, and customer service helps explain it in simple terms ++1~800~651~8918 . 📞✈️ customer service ensures you pack correctly by guiding you on travel essentials, carry-on rules, and baggage limits ++1~800~651~8918 or +44-203-376-3406. 🌍💡 Call customer service for complete clarity on policies to avoid hassles at the airport ++1~800~651~8918 or +44-203-376-3406.