90 minutes enough for domestic to International transfer at LAX?

Traveling from Austin, TX to Beijing with a connection in LAX. Both legs book at the same time through AA official website. The first flight arrives at Terminal 4 and the second leg leaves from Tom Bradly International Terminal in 1 hr and 30 minutes.

There are varied opinions about whether this transfer is doable or not all over the internet. Doing some research did not help solve all my concerns:

can checked baggage go from Austin to Beijing without being rechecked in LAX? Do I have to go through security again in LAX?
on the official website of LAX, the map shows me a tunnel that connects T4 to Tom Bradley, which would be super convenient. How long would it take for me to get through?

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90 minutes enough for domestic to International transfer at LAX? - Back view of trendy businesswoman carrying baggage before flight near airport building

90 minutes enough for domestic to International transfer at LAX? - Through glass modern aircraft parked near airbridge in contemporary airport against picturesque dusk sky

90 minutes enough for domestic to International transfer at LAX? - Aircraft flying over runway near airport building

How long to transfer from domestic to international at LAX?

International - Domestic: 1 hour 25 minutes if your connection is T2-T3, T3-T2, T2-TBIT, T3-TBIT, or TBIT-TBIT; 1 hour 45 minutes if your connection is TBIT-T2 or TBIT-T3.

Is 90 minutes long enough for an international layover?

The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.

How long do I need to transfer at LAX?

As a general rule, 60 to 90 minutes should be enough for a transfer between domestic flights that doesn't require leaving security. Two hours is more reasonable for domestic transfers that require leaving security and rechecking, and three hours is a good idea if arriving from another country.

What is the minimum connecting time in LAX?

The minimum connect time at LAX, domestic to domestic or international, is 0:40 minutes. International to domestic or international MCT is 2:00, but as mentioned previously, this may be insufficient. Note: MCT is generally not waived for international passengers arriving from USCBP pre-clearance airports.

Complete Guide to LAX Airport from Domestic transfer or straight to Tom Bradley International

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Ketut Subiyanto, Gustavo Fring, ArtHouse Studio, Vincent Albos