Pro tip: if you’re flying United out of SFO after midnight, all Terminal 3 security may be closed! Be prepared (and plan time) to make the trek to the International Terminal to go through security, and then hike back to Terminal 3 via the connecting walkway.

Pro tip: if you’re flying United out of SFO after midnight, all Terminal 3 security may be closed!
Be prepared (and plan time) to make the trek to the International Terminal to go through security, and then hike back to Terminal 3 via the connecting walkway.