On your web browser, go to the McCarran airport website.
At the top of the page, click "Flight Information." Then click "Arrivals."
Under "Flight Info," click "Arrivals." This will display all flights within a four hour time frame. You can either search through the list or "Search Arrivals" on the left-hand side of the page by airline, departure city and flight number.
On your web browser, go to the iFly website.
Under where it says "Airport Search," type in "McCarran International Airport" in the search box. Click "Search."
Near the top of the page, click "Airport Status," then click "Arrivals." A page will open up showing you the incoming flights that it has for the day. If a flight is in progress, you can click "Track" next to your desired flight to see where the flight is at that current time.