Plan a smooth journey with the Baltimore/Washington International Airport (BWI) Check-In process, designed for efficiency and traveller convenience. Passengers are advised to arrive at least two hours before domestic and three hours before international departures. The airport offers multiple check-in options, including online, self-service kiosks, and staffed counters. Ensure you carry valid identification and travel documents. Baggage policies vary by airline, so check allowances in advance. The Baltimore/Washington Airport Check-In area is clearly signposted, helping travellers navigate easily and avoid last-minute delays.