National Grid : Estimated Full Year 2019 and December 2019 U.S. Airline Traffic Data

For the November and December estimates and for data filed through October, see accompanying tables. For the complete database of reported data, see Traffic. For an explanation of BTS' seasonal adjustment methodology, see Seasonal Adjustment.

BTS Estimates

For seasonally-adjusted passenger numbers, BTS first estimates have averaged within 0.8% of reported data while second estimates have averaged within 0.6% of reported data.

For unadjusted passenger numbers, BTS first estimates have averaged within 1.0% of reported data while second estimates have averaged within 0.7% of reported data.

For an explanation of BTS' estimate methodology see Air Traffic Methodology.

Reporting Notes

Data are compiled from monthly reports filed with BTS by commercial U.S. air carriers detailing operations, passenger traffic and freight traffic. This release includes data received by BTS from 73 U.S. carriers as of Jan. 7 for U.S. carrier scheduled civilian operations.

See the BTS Airlines and Airports page for additional scheduled service numbers through October for U.S. airlines. International data by origin and destination is available through July.

BTS has scheduled Feb. 13 for the release of the first estimate of January air traffic data, the second estimate of December air traffic data and reported data through November.

None of the data are from samples. Measures of statistical significance do not apply to the complete air traffic data.