While often confused, these are two distinct stages of the travel process in 2026. An e-ticket (Electronic Ticket) is your digital contract of carriage; it is the receipt and record in the airline's database that proves you have paid for a seat. It contains your PNR (Passenger Name Record) and ticket number. On the other hand, web check-in is the act of confirming your intent to fly, typically available 24 to 48 hours before departure. During web check-in, you verify your travel documents, select or upgrade your seat, and declare any baggage. The successful completion of web check-in generates your boarding pass, which is the actual document required to pass through security and board the aircraft. In 2026, most travelers never see a paper e-ticket, but they must perform web check-in via an app to receive the QR code boarding pass on their smartphone. You can have an e-ticket weeks in advance, but you can only perform web check-in shortly before the flight.