Skip to page content

Federal Aviation Administration

News Stories

Recent Regulations and Guidelines

All Advisory Circulars

Look Up N-Numbers

N-Number format

An N-Number can be in any of these formats

  • One to five digits (N12345)
  • One to four digits followed by one letter (N1234Z)
  • One to three digits followed by two letters (N123AZ)

N-Numbers do not have

  • A zero (0) as the first digit
  • The letters I or O

COVID-19 Response

Drones/​Unmanned Aircraft Systems (UAS)

Check Airport Status and Delays

There are no ground delays at this time.

There are no airport closures at this time.

There are no airport ground stoppages at this time.

  • ORD

    TM Initiatives:​MIT:​VOL

    16 minutes — 30 minutes

All flight delay information

Featured Topics and Events