Resolve error 1101 unable to get a response to specified url

I am experiencing an error in my App Inventor and I am seeking your assistance to resolve it. The specific error I am encountering is Error 1101 - Unable to get a response with the specified URL.

The URL I am using:

I would greatly appreciate it if anyone could help me figure out why I am unable to access the URL and retrieve a response.

The URL I am using:

can you open this url in computer web browser, like edge or chrome or firefox?

Your url returns [ ] for me in a browser

I got
flights.json (38.3 KB)