# Philly airport flights grounded by FAA circuit failure

> FAA circuit blow causes East Coast flight delays
- Title: Philly airport flights grounded by FAA circuit failure
- Summary: FAA circuit blow causes East Coast flight delays Philadelphia International Airport flights grounded Monday due to blown circuit at air traffic control…
- Keywords: philly, faa, airports, flights, east coast, circuit, ground stop, atlantic, news, local, airport, grounded
- Source: PhillyVoice — https://phillyvoice.com/flights-philly-airport-grounded-faa
- Published: 2026-09-21T20:35:01.097+00:00
- Read time: 1 min
- Topics: philly, faa, airports, flights, east coast, circuit, ground stop, atlantic, news, local
## Flight grounding starts
Philadelphia International Airport flights grounded at 9:48 a.m. Monday after FAA detected equipment failure at air traffic control facility

> We discovered that the backup fiber had a break, and that fiber break is probably 13 hours to repair
## East Coast impact
Over 1,000 flights delayed across East Coast airports including New York and Boston
## Repair timeline
FAA says circuit repair will take 13 hours with backup line damaged by Amtrak crew
## PHL delays
Inbound flights delayed 212 minutes average, outbound flights delayed 60 minutes
## National impact
Nearly 4,000 flights delayed and 500 canceled nationwide
## Historic context
PHL's air traffic control facility has experienced multiple outages in recent years
## Congressional response
Congress approved $12.5 billion for air traffic control upgrades after recent outages
## FAA repair progress
New circuit installation underway with repairs expected to complete by 2:45 p.m. Monday
## Amtrak involvement
Amtrak crew accidentally cut backup fiber line at construction site
## Key takeaway

Philadelphia International Airport flights grounded Monday due to blown circuit at air traffic control facility