Originally Posted by
noah
Generally speaking you should not need to re-clear security.
There is a possibility that your flight from SFO to one of those cities, if it is on United Express, may depart from Terminal 1. To get to Terminal 1 from Terminal 3, where you are most likely to arrive from HNL, you can take a special shuttle bus that keeps you behind security.
You can also exit security, take the airport train, and re-clear security -- but you won't be required to do this.
Should there have been a shuttle behind security for DL? (DL staff said no other option, but FTers know more.)