Where to check yesterday's flight cancellations

The fastest way to find out how many flights were cancelled yesterday is to visit the Federal Aviation Administration (FAA) website at faa.gov. The FAA publishes a daily operations summary that lists the total number of cancellations, delays, and diversions for the previous day. You can find this under their "Air Traffic by the Numbers" section, which updates each morning around 9 a.m. Eastern time.

If you need information about a specific airline or airport, FlightAware (flightaware.com) and FlightRadar24 (flightradar24.com) both maintain historical records of cancellations. These sites let you search by airline, airport code, or date. You can see which flights were cancelled, the reason (weather, mechanical, crew shortage), and how many passengers were affected.

For cancellations at a specific airport, the airport's own website usually has a "Flight Status" or "Operations" page. Major airports like Atlanta (ATL), Dallas-Fort Worth (DFW), and Los Angeles (LAX) post daily summaries of cancellations and their causes.

Key Takeaways

  • The FAA publishes total daily cancellation numbers on faa.gov under "Air Traffic by the Numbers," updated each morning.
  • FlightAware and FlightRadar24 let you search cancellations by specific airline, airport, or date to see which flights were affected.
  • Individual airport websites post their own cancellation summaries, which often include the reason (weather, mechanical, staffing).
  • Cancellation numbers vary widely by season and weather — winter and summer travel peaks see higher totals than spring and fall.

Understanding why the FAA numbers matter

The FAA's daily summary counts all commercial flights in U.S. airspace, so it gives you the broadest picture. Yesterday's total includes cancellations from weather, mechanical failures, crew shortages, air traffic control staffing, and other operational reasons. The FAA breaks these down by cause in their detailed reports, so you can see whether cancellations were driven by a specific weather event or a systemic issue.

These numbers are public record and are the official source that airlines, airports, and news outlets cite. If you see a news story about flight cancellations, it is usually pulling from the FAA's data or from individual airline statements.

How to find cancellations for a specific airline

If you want to know how many flights a particular airline cancelled yesterday, FlightAware is the most detailed source. Search the airline's name or code (for example, "United" or "UA"), select the date, and the site shows every flight that was scheduled, which ones actually departed, and which were cancelled. You can also filter by the airport where the cancellation occurred.

Some airlines post their own operational summaries on their websites or investor relations pages, but these are less detailed than FlightAware. The airline's customer service line can also tell you about cancellations affecting your specific booking, though they cannot give you a full picture of the day's operations.

Seasonal patterns in cancellation numbers

Yesterday's cancellation count is only meaningful if you know what is normal for that time of year. Winter months (December through February) see higher cancellation rates because of snow, ice, and severe weather. Summer (June through August) also has elevated cancellations due to thunderstorms and heat-related mechanical issues. Spring and fall typically have the lowest rates.

The day of the week also matters. Mondays and Fridays tend to have more cancellations than midweek days, partly because of higher passenger volume and partly because weekend weather disruptions carry over. A single day's number tells you less than a weekly or monthly trend.

Reading cancellation data from different sources

The FAA, FlightAware, and individual airports may report slightly different totals for the same day because they count differently. The FAA counts all commercial operations in U.S. airspace. FlightAware counts flights in its database, which covers most major carriers but may miss some regional or charter flights. Airport websites count only flights at that specific airport.

These differences are usually small — within a few percentage points — but they explain why you might see different numbers depending on your source. For the most complete picture, cross-check the FAA number against FlightAware's total.

What cancellation numbers do not tell you

A high cancellation count does not necessarily mean travel was impossible yesterday. Many passengers were rebooked on later flights the same day or the next day. Cancellations also do not account for delays, which often outnumber cancellations — a flight that departs three hours late is not cancelled, but it still disrupted passenger plans.

If you are trying to decide whether to travel on a particular route, yesterday's cancellation rate is useful context, but current weather forecasts and real-time flight status are more important. A route that had cancellations yesterday due to a thunderstorm may be clear today.

Frequently Asked Questions

Where do I find the FAA's daily cancellation report?

Visit faa.gov and look for "Air Traffic by the Numbers" or "Operations Data." The report updates each morning and shows the previous day's total cancellations, delays, and diversions. You can also find historical data going back several years, which is useful if you want to compare trends.

Can I see which specific flights were cancelled yesterday?

Yes, FlightAware (flightaware.com) and FlightRadar24 (flightradar24.com) both show individual flight records. Search by airline, airport, or date, and you can see the flight number, scheduled departure time, and whether it was cancelled or delayed. Both sites also show the reason when available.

Why do different websites report different cancellation numbers?

The FAA counts all commercial flights in U.S. airspace, FlightAware counts flights in its database (which covers most major carriers), and airports count only their own flights. These differences are usually small, but they explain why totals may not match exactly across sources.

Does a high cancellation number mean I should not fly tomorrow?

Not necessarily. Yesterday's cancellations were caused by specific conditions — weather, mechanical issues, or staffing — that may not repeat today. Check the current weather forecast and real-time flight status for your specific route before deciding. A route with cancellations yesterday may be operating normally today.

How far back can I search for cancellation data?

The FAA maintains historical data on faa.gov going back several years. FlightAware and FlightRadar24 also keep archives, though the depth varies. If you are researching a specific date or route, start with the FAA's historical section, then cross-check with FlightAware if you need flight-level detail.