Flying through Chicago O’Hare can feel busy, especially in Terminal 1. Staying informed about ORD ORD TSA Wait Times Terminal 1 helps you avoid last minute stress and long lines. Security screening times often change based on flight schedules, staffing, and travel seasons. Early mornings and late afternoons are typically the most crowded periods. Arriving at least two hours before departure is a smart move for domestic flights. If possible, check live updates before leaving for the airport. Simple preparation like keeping your ID ready and following liquid rules can make the entire screening process smoother and much faster overall.