To view the itinerary and information of an order number, you can usually follow these steps:

  1. Visit the official website of the airline or travel agency.
  2. Find the entrance to “Order Inquiry” or “Flight Inquiry” on the homepage or related columns.
  3. Enter your order number and, if it is an electronic ticket, your name.
  4. Click the “Query” button.
  5. The system will display your order details, including itinerary, flight number, departure and arrival time, seat information, etc.

Please note that the inquiry methods of different airlines and travel agencies may be slightly different. For specific operations, please refer to the instructions on their respective official websites.