Which way at which times? Makes a difference.
Fastest would be cab, but any option will be on the same roads, a cab is only faster because it will leave once you get into it. If there is a long line for a cab, then car service arranged in advance.
Two hours depends on if you are going to an international flight or not, and which way you are going, but it's going to be cutting it close.
it's only 11 miles, but can e the longest 11 miles ever.