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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 CEILINGS

    Average delay 36 minutes

  • CYYZ

    OTHER

    Average delay 1 hour and 30 minutes

  • ILM

    EQUIPMENT / OUTAGE

    Average delay 1 hour and 13 minutes

  • SEA

    RWY-TAXI / CONSTRUCTION

    Average delay 35 minutes

Browse Delays

There are no airport closures at this time.

Browse Delays

There are no airport ground stoppages at this time.

Browse Delays

  • DCA

    TM Initiatives:​ESP:​VOL

    31 minutes — 45 minutes

  • SEA

    VOL:​Volume

    16 minutes — 30 minutes

  • TEB

    OTHER:​INDIVIDUAL RELEASES

    31 minutes — 45 minutes

View all flight delay information

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