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Federal Aviation Administration

News Stories

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

  • EWR


    Average delay 2 hours and 2 minutes

  • PHL


    Average delay 24 minutes

Browse Delays

There are no airport closures at this time.

Browse Delays

  • TEB


    Ending 12:45 pm EST.

Browse Delays

  • PHL

    VOL:​Compacted Demand

    16 minutes — 30 minutes

  • SEA

    WX:​Low Ceilings

    16 minutes — 30 minutes

View all flight delay information

Featured Topics and Events

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