Originally Posted by Down3Green

While there have been ongoing manning/crew sked problems at Republic and Gojet, today's issues in LGA had a different cause. There was heavy fog at all 3 NYC airports this morning with visibilities down to 1/8th of a mile (500-700RVR at one point). With LGA having the least sophisticated instrument landing systems, they generally fare worse than the other two. They had rolling ground stops all morning and GDPs in excess of 3hrs. Although the weather has improved, there is still a significant delay program in effect