AeroQueue gives every type of airport user live queue visibility across every checkpoint — so no one misses a flight, a connection, or a pickup window again. ✈️ Departing — check-in → security → immigration → gate, with a "leave by" time calculator 🛬 Arriving — deplane → immigration → baggage claim → customs → exit, with per-step ETAs 🔄 Transit — connection time safety checker with miss-risk alerts 🏗️ Staff/Ops — capacity heatmap, live threshold alerts, and staffing recommendations