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49 U.S. Code § 41746 - Tracking service

The Secretary of Transportation shall require a carrier that provides essential air service to an eligible place and that receives compensation for such service under this subchapter to report not less than semiannually—
the percentage of flights to and from the place that arrive on time as defined by the Secretary; and
such other information as the Secretary considers necessary to evaluate service provided to passengers traveling to and from such place.
Statutory Notes and Related Subsidiaries
Effective Date

Section applicable only to fiscal years beginning after Sept. 30, 2003, except as otherwise specifically provided, see section 3 of Pub. L. 108–176, set out as an Effective Date of 2003 Amendment note under section 106 of this title.