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Federal Aviation Administration

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Recent Regulations and Guidelines

View all Airworthiness Directives

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 number
  • The letters "I" or "O"

Drones/​Unmanned Aircraft Systems (UAS)

Check Airport Status and Delays

Browse Delays

There are no ground delays at this time.

Browse Delays

There are no airport closures at this time.

Browse Delays

There are no airport ground stoppages at this time.

Browse Delays

  • IAH

    WX:​Low Ceilings

    16 minutes — 30 minutes

  • LGA

    VOLUME AND WIND

    16 minutes — 30 minutes

  • LGA

    WX:​Wind

    16 minutes — 30 minutes

View all flight delay information

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This page was originally published at: https://www.faa.gov/