How to check flight dynamic information five days in advance?

1. Open the vertical and horizontal APP of air travel and enter the home page. 2. Click Login in the upper right corner of the homepage. At this time, the mobile phone number is logged in. We choose WeChat login in the lower left corner of the page. 3. After logging in successfully, we click the itinerary option at the bottom of the page. 4. Then we enter the flight itinerary page. Finally, we choose Close at the top of the page. After entering the completed flight page. We can see all the historical flight information.