Verified answer

Try checking your ticket. Sometimes it says it on there. Or check an online flight tracker.

With a stop in San Fransisco to Honolulu, then it could be either a A320 or A319

Depends on your route and time your flying.

If you search for your flight again on usairways.com and then click the "details" button then you will find out

A330

the standard london bus with cardboard wings on the sides.