Delta Airlines check-in is designed to be simple and convenient, giving travelers multiple ways to prepare for their flights. You can check in online through the Delta Airlines website or by using the Delta mobile app, which works on both smartphones and tablets. Online check-in usually opens 24 hours before your scheduled departure and closes 45 minutes prior to domestic flights and 60 minutes before international flights. When you check in online, you can choose your seat, add any checked bags, and get your boarding pass, which you can print or save on your mobile device. If you prefer to check in at the airport, Delta offers self-service kiosks that make the process quick and easy. You can also go to a staffed check-in counter if you need assistance or have special requests, like traveling with pets or oversized baggage. For those who only have carry-on luggage, checking in online and using a mobile boarding pass can save time, allowing you to skip long lines and head straight to security. Delta recommends arriving at the airport at least two hours before domestic flights and three hours before international flights to have plenty of time for check-in, security checks, and boarding. Travelers with special needs, families with small children, or anyone requiring extra help can find dedicated services at the airport to make check-in smoother and more comfortable. The Delta app also sends real-time notifications if there are any changes or delays to your flight, helping you stay updated without hassle. Having your travel documents ready, like your ID or passport, helps speed up the process, whether you check in online or at the airport. Using Delta Airlines check-in options wisely can reduce stress, save time, and improve your travel experience. Checking in early also increases your chances of getting the seat you want and avoids last-minute issues. Overall, Delta Airlines provides flexible and user-friendly check-in methods that help travelers start their journeys without unnecessary waiting or confusion.