Air Traffic Control Delay Today

Track live air traffic control delay information from the FAA National Airspace System. View active ATC delays, ground delay programs, ground stops, airport restrictions and airspace management initiatives affecting flights across the United States. Status refreshes automatically every 5 minutes from official FAA NAS data.

Current Air Traffic Control Delays

Airports currently reporting an active air traffic control delay event. Columns show delay type, average and maximum delay, the FAA-reported cause, and last update time.

AirportDelay TypeAvg DelayMax DelayFAA Reported CauseLast UpdatedDetails

See full airport-level delay status pages or the complete FAA Airport Delays dashboard for all regions:

What Is an Air Traffic Control Delay?

An air traffic control delay occurs when the FAA restricts the flow of aircraft into or out of an airport — or through a section of U.S. airspace — because of weather, congestion, runway limitations, staffing constraints or airspace restrictions. Rather than allowing aircraft to stack up in the air, the FAA issues delay programs that hold flights on the ground at their departure airports, reducing fuel burn and safety risk. An air traffic control delay can affect dozens or hundreds of flights simultaneously across the National Airspace System.

What Causes Air Traffic Control Delays?

The FAA issues air traffic control delay advisories for a range of operational reasons:

  • Weather
    Thunderstorms, snow, ice, low visibility and high winds are the most common trigger for ATC delays. Weather cannot be controlled by airlines or airports.
  • Traffic Congestion
    When more flights are scheduled than an airport or airspace sector can safely handle, the FAA issues Ground Delay Programs to manage the flow.
  • Runway Closures
    Runway construction, maintenance, accidents or debris can reduce airport capacity, triggering ATC restrictions.
  • Airspace Restrictions
    Military operations, special use airspace events or temporary flight restrictions (TFRs) can reroute traffic and create cascading ATC delays.
  • Ground Delay Programs
    A GDP holds inbound flights at their origin airport. Average delay times are assigned to each flight to meter arrivals at the destination.
  • Ground Stops
    A Ground Stop is a more immediate restriction that halts departures to a specific airport until conditions improve, usually for shorter durations than a GDP.

Air Traffic Control Delays vs. Airport Delays

The terms are related but not interchangeable. An air traffic control delay is an FAA-issued advisory that affects a whole class of flights into or through an airport or airspace sector, reported via FAA NAS. An airport delay is a broader term that can include ATC restrictions, airline-specific issues (late aircraft, crew, maintenance) or airport infrastructure problems such as gate shortages or baggage system failures.

An individual flight can be delayed by the airline even when no ATC delay program is active — for example due to a mechanical issue or crew scheduling problem. Conversely, when an ATC Ground Delay Program is in effect, almost every inbound flight to that airport will be delayed regardless of the airline. This page focuses specifically on FAA-issued air traffic control delay programs tracked through FAA NAS.

Air Traffic Control Delay FAQs

What does an air traffic control delay mean?

An air traffic control delay means the FAA has restricted the flow of aircraft into or out of an airport or through a section of airspace due to weather, traffic congestion, runway limitations, staffing constraints or other operational restrictions. ATC delays are managed through Ground Delay Programs, Ground Stops, or Arrival/Departure Delay Advisories issued via FAA NAS.

Will I receive compensation for an air traffic control delay?

Generally, no. Air traffic control delays are classified as extraordinary circumstances outside the airline's control. Under U.S. Department of Transportation rules, airlines are not required to compensate passengers for ATC delays, though they may provide meals or rebooking assistance at their discretion. EU passenger rights rules (EC 261/2004) similarly exempt ATC delays from mandatory compensation.

What airports are affected by air traffic control delays today?

FlightStatus.flights tracks live air traffic control delay status for over 100 major and regional U.S. airports using FAA NAS data. The current ATC delay status table above shows all airports currently reporting active delays, updated approximately every 5 minutes.

What is the difference between an ATC delay and an airline delay?

An ATC delay is caused by FAA airspace or airport restrictions — such as Ground Delay Programs, Ground Stops or weather impacts — that affect many flights at once. An airline delay is specific to a single flight and may be caused by a late-arriving aircraft, crew availability, maintenance issues or other airline-controlled factors. ATC delays are reported through FAA NAS; airline delays are tracked separately by each carrier.