U.S. Department of Homeland Security (TSA)
DHS data inventory (dhs.gov/data.json), TSA passenger throughput entries
Page: https://www.dhs.gov/data.json
Saved by HowIsTheUSDoing on 2026-10-06 (downloaded directly; only the license fields of the relevant entries are reproduced).
This is a plain-text excerpt kept as a record of what the source said on that date; the live source is the authority.
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Dataset: COVID-19 Passenger Throughput
  License: https://www.usa.gov/government-works

Dataset: TSA FOIA Reading Room - Weekly Passenger Throughput Data
  License: https://www.usa.gov/government-works

Dataset: FOIA - TSA Throughput
  License: https://www.usa.gov/government-works