Overview
- The FAA ordered a ground stop at DCA around 11:18 a.m. ET, with runways reopening about 12:50 p.m. and full operations resuming early afternoon.
- United Airlines Flight 512 from Houston was taxied to a remote stand, passengers were bused to the terminal, and officials have not confirmed any device.
- Airport police and the FBI Washington Field Office are leading the on‑site investigation with support from TSA and bomb‑squad units, according to MWAA.
- Air traffic control audio referenced an “unconfirmed bomb report,” directing the United pilot to move the aircraft away from the terminal area.
- The disruption triggered widespread delays and some diversions to IAD and BWI, with FAA data citing average departure delays near 51 minutes and peaks over two hours.