British Airways provides multiple check-in options to make the process easy and convenient for all passengers. Online check-in opens 24 hours before departure and closes 1 hour prior for most flights. Passengers can check in through the British Airways website or mobile app, select seats, add baggage, and download or print boarding passes. Those who check in online and travel with carry-on luggage only can proceed directly to security without stopping at the check-in counter. For those who prefer to check in at the airport, self-service kiosks and staffed check-in counters are available. Airport counters usually open 3 hours before international flights and 2 hours before domestic flights. The counters close 60 minutes before departure for long-haul flights and 45 minutes before for short-haul flights. It is important to arrive early to allow time for check-in, security checks, and boarding. British Airways also offers an overnight bag drop service at select airports, including London Heathrow and Gatwick. This allows passengers to drop off checked luggage the evening before their flight, saving time on departure day. For extra convenience, the AirPortr service is available in some cities, where luggage can be picked up from home or hotel and delivered directly to the airport. Passengers should ensure they have all necessary travel documents, including passports, visas, and any health certifications required. Boarding gates usually close 20 to 30 minutes before departure, so arriving at the gate early is recommended. For assistance, passengers can contact British Airways customer service at +1-866-551-1186. Following these guidelines helps ensure a smooth and timely start to the journey with British Airways.