### Question
How does the law define nonhub airport?


### Answer
Under *49 U.S.C. § 41715*, **nonhub airport** is defined as:

> that term has under section 41731(a)(4).

#### Citation:
  - *49 U.S.C. § 41715*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART A-AIR COMMERCE AND SAFETY > subpart ii-economic regulation > CHAPTER 417-OPERATIONS OF CARRIERS > SUBCHAPTER I-REQUIREMENTS**

