Due to the chemical spill, the commute into the city will be delayed by ... ...

Determine whether or not there is an error in the underlined portion of the sentence above. If there is no error, select answer choice "A".
(A) Due to the chemical spill, the commute into the city will be delayed by as much as 2 hours.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set F - idiom & Usage