FAA Enplanements    

Passenger (enplanement) extracted from the Air Carrier Activity Information System (ACAIS), a database that contains revenue passenger boarding data.
https://www.faa.gov/airports/planning_capacity/passenger_allcargo_stats/passenger/

FAA Cargo    

Cargo data is extracted from the Air Carrier Activity Information System (ACAIS), a database that contains all-cargo data.
https://www.faa.gov/airports/planning_capacity/passenger_allcargo_stats/passenger/

T-100 Data    

Enplaned Passengers >> On-Flight Market Passengers Enplaned (Any person on board a flight who is not a member of the flight or cabin crew boarding at airport)

Enplaned Freight >> On-Flight Market Freight Enplaned (pounds) - includes property, other than express and passenger baggage, transported by air loaded at airport

Enplaned Mail >> On-Flight Market Mail Enplaned (pounds) loaded at airport

Deplaned Passengers >> On-Flight Market Passengers Deplaned (Any person on board a flight who is not a member of the flight or cabin crew disembarking at airport)

Deplaned Freight >> On-Flight Market Freight Deplaned (pounds) - includes property, other than express and passenger baggage, transported by air unloaded at airport

Deplaned Mail >> On-Flight Market Mail Deplaned (pounds) unloaded at airport

https://www.bts.gov/

Annual Revenue & Operational Expenses    

Annual revenue and operational expenses are calculated annually through Statewide Aviation. Totals do not reflect funds received from FAA capital or maintenance grants, the Air Carrier Compliance program, or M&O badge or ramp fees.

Source: Federal Aviation Administration the Air Carrier Activity Information System (ACAIS)