# Ground stop lifted after US flights halt

> US air travel resumes after 12-hour ground stop.
- Title: Ground stop lifted after US flights halt · CNN | Shortify
- Summary: US air travel resumes after 12-hour ground stop. US flights resumed after a 12-hour ground stop caused by communication software issues, with security…
- Keywords: breaking, flights, ground stop, air traffic, communication software, cyber threats, CNN
- Source: CNN — https://edition.cnn.com/2026/11/13/us/live-news/flights-ground-stop-faa
- Published: 2026-11-13T21:22:21.665+00:00
- Read time: 1 min
- Topics: breaking, us, flights, ground stop, air traffic, communication software, cyber threats, business, finance
## US security source
A senior US security source said authorities believe the issue was caused by a communication software problem, not an intentional attack.

> Still no indication this was an attack
## Government response
Law enforcement and intelligence agencies began investigating after aviation officials reported issues around Friday.
## Investigation ongoing
Cyber specialists are working to identify potential attack nodes while antiquated aviation networks require thorough investigation.
## Key takeaway

US flights resumed after a 12-hour ground stop caused by communication software issues, with security services continuing to investigate potential cyber threats.