Moderator: United Airlines
Join Date: Jun 2007
Location: SFO
Programs: UA Plat 1.995MM, Hyatt Discoverist, Marriott Plat/LT Gold, Hilton Silver, IHG Plat
Posts: 66,855
Another possible reason for a domestic flight to use the G gates at SFO, while the arriving flight was domestic, the next flight may be international and this would avoid the need for an extra ground movement of the aircraft.