Originally Posted by onaswan

Is there a rationale behind sending passengers out to the B and C gates (I'm talking T5 here) only to put them on busses. It happened twice recently - this week for the SFO flight for instance. On that occasion there were free slots on the terminal building. The only reason I can fathom is a need to disperse pax from the A terminal AND the aircraft, for one reason or another, is parked at a remote stand.