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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

  • BOS

    WEATHER / LOW VISIBILITY

    Average delay 2 hours

  • DCA

    WX / LOW CEILINGS

    Average delay 37 minutes

  • EWR

    WEATHER / WIND

    Average delay 2 hours and 36 minutes

  • JFK

    WX / WIND

    Average delay 38 minutes

  • LGA

    WX / LOW CEILINGS

    Average delay 1 hour and 25 minutes

  • PHL

    WEATHER / LOW CEILINGS

    Average delay 1 hour and 23 minutes

  • SFO

    WX / LOW CEILINGS

    Average delay 58 minutes

  • TEB

    VOLUME / VOLUME

    Average delay 1 hour and 17 minutes

Browse Delays

There are no airport closures at this time.

Browse Delays

  • LGA

    WEATHER / LOW CEILINGS

    Ending 6:30 pm EST.

Browse Delays

  • JFK

    WX:​Low Ceilings

    16 minutes — 30 minutes

  • PHX

    TM Initiatives:​ESP:​VOL

    16 minutes — 30 minutes

View all flight delay information

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