Delta booking and check-in methods:
To book Delta Airlines flights online, go to the company's website and click "book." Enter the airports of departure and arrival, the kind of travel (one-way trip, round, or multi-city), the departure date, and the number of passengers. Next, booking confirmation number followed by arrival airport, credit card number, passenger's last name, destination airport, ticket number followed by origin airport, or SkyMiles number followed by departure airport are all options for Delta Airlines check-in. The airline offers two web check-in platforms. Web check-in for Delta flights is available 24 hours before departure via the desktop website or mobile app.