Originally Posted by
Repooc17
Even at 6AM? I should be one of the first off the plane

...
Other arrivals happen at that time
Originally Posted by
Repooc17
.... Also, I thought you can transit airside between TBIT and terminals 4-8. No?
You will not be airside after TBIT customs / immigration. If you re-clear at TBIT, then yes, you can make it airside to T6. Or go street-side from TBIT to T6, and clear security at T6.
Originally Posted by
eeflyer
Yes, they're connected, but the issue is if the incoming flight is from a pre-clearance airport or not. ....
UA840 is from SYD and is not a pre-clearance airport. Pre-clearance flights don't arrive at TBIT.