<P> LAX has nine passenger terminals with a total of 128 gates arranged in the shape of the letter U or a horseshoe . The terminals are served by a shuttle bus . The Tom Bradley International Terminal and Terminals 4, 5, 6, 7, and 8 are all connected airside via an overground passage between Terminal 4 and the Tom Bradley International Terminal, an underground tunnel between Terminals 4, 5 and 6 and above - ground walkways between Terminals 6, 7, and 8 . Additional airside shuttle buses operate among Terminals 4, 6, and the American Eagle remote terminal, as well as between Terminals 2, 3, and the Tom Bradley International Terminal . There are no physical airside connections between any of the other terminals . </P> <P> In addition to these terminals, there are 2,000,000 square feet (190,000 m) of cargo facilities at LAX, and a heliport operated by Bravo Aviation . Qantas has a maintenance facility at LAX, even though it is not a hub . </P> <Ul> <Li> Terminal 1 is exclusively used by Southwest Airlines . Southwest Airlines international flights arrive and depart from TBIT; departing international passengers check in at Terminal 1 and are bused to TBIT . </Li> <Li> Terminal 2 is used by Delta Air Lines and its codeshare partners: Aer Lingus, Aeromexico, Virgin Atlantic and WestJet . Volaris and Virgin Australia passengers check - in at Terminal 2, and are bused to TBIT where their flights arrive and depart . </Li> <Li> Terminal 3 is exclusively used by Delta Air Lines . Avianca, Copa, and Interjet passengers check - in at Terminal 3, and walk to TBIT where their flights arrive and depart . </Li> <Li> Terminal 4 is exclusively used by American Airlines . American Eagle flights are operated out of a small remote terminal, often referred to as the "Eagle's Nest," with bus service to and from Terminal 4 . </Li> <Li> Terminal 5 is used by American Airlines, Hawaiian Airlines, JetBlue, Allegiant Air, Frontier, Spirit, and Sun Country . </Li> <Li> Terminal 6 is used by Alaska Airlines (including its subsidiary Virgin America), Air Canada, Boutique Air, Great Lakes, Mokulele Airlines, Thomas Cook Airlines, and XL Airways France . Austrian Airlines and XiamenAir have check - in counters and departures from TBIT, but their flights arrive at Terminal 6 . Ethiopian Airlines have check - in counters at Terminal 6 and flights depart from there, but their flights arrive at TBIT . </Li> <Li> Terminals 7 and 8 are exclusively used by United Airlines . </Li> <Li> The Tom Bradley International Terminal (or TBIT, sometimes referred as Terminal B) handles most foreign carriers and select American Airlines, Delta Air Lines and United Airlines flights . </Li> </Ul> <Li> Terminal 1 is exclusively used by Southwest Airlines . Southwest Airlines international flights arrive and depart from TBIT; departing international passengers check in at Terminal 1 and are bused to TBIT . </Li>

What terminal does united fly out of at lax