AC7260 Sporadic ping times and slow speeds

I recently purchased a Dell E5540 is a AC7260 wireless card.  I have tried multiple versions of the intel drivers with no luck.  Pinging directly to whatever router I am connected to I get horrible ping times.

Reply from 192.168.1.1: bytes=32 time=268ms TTL=64

Reply from 192.168.1.1: bytes=32 time=86ms TTL=64

Reply from 192.168.1.1: bytes=32 time=6ms TTL=64

Reply from 192.168.1.1: bytes=32 time=28ms TTL=64

Reply from 192.168.1.1: bytes=32 time=40ms TTL=64

Reply from 192.168.1.1: bytes=32 time=72ms TTL=64

Reply from 192.168.1.1: bytes=32 time=197ms TTL=64

Reply from 192.168.1.1: bytes=32 time=14ms TTL=64

Reply from 192.168.1.1: bytes=32 time=36ms TTL=64

Reply from 192.168.1.1: bytes=32 time=58ms TTL=64

Reply from 192.168.1.1: bytes=32 time=80ms TTL=64

Reply from 192.168.1.1: bytes=32 time=102ms TTL=64

Reply from 192.168.1.1: bytes=32 time=24ms TTL=64

Request timed out.

Reply from 192.168.1.1: bytes=32 time=304ms TTL=64

Reply from 192.168.1.1: bytes=32 time=18ms TTL=64

Reply from 192.168.1.1: bytes=32 time=41ms TTL=64

Reply from 192.168.1.1: bytes=32 time=62ms TTL=64

Reply from 192.168.1.1: bytes=32 time=187ms TTL=64

Reply from 192.168.1.1: bytes=32 time=6ms TTL=64

Reply from 192.168.1.1: bytes=32 time=130ms TTL=64

I installed a older intel N card from another laptop and my connection is stable with 1ms ping times

I am at a loss

Windows 7