To check your flight details using an e-ticket, you should look for the 13-digit ticket number (starting with the airline's 3-digit code) or the 6-character Booking Reference (PNR). You can then go to the airline's official website or mobile app and select the "Manage Booking" or "My Trips" tab. Enter your PNR and your last name to retrieve your itinerary, which will show your flight number, departure time, seat assignment, and gate information. In 2026, most airlines also offer a "Flight Status" tool where you can enter the flight number directly to see real-time tracking, including whether the plane is on time or delayed. If you booked through a travel agency, your e-ticket receipt will also contain a link or QR code that takes you directly to the live status. It is highly recommended to "check in" online 24 hours before departure to receive a digital boarding pass with the most current info.