SeaTac [KSEA] has been the fastest growing U.S. commercial airport in recent years, largely due to a 2012 decision by Delta to build a hub there. Here’s a JPEG showing KSEA annual operations and trends for each year, from 1991 through 2017:
(click on image to view the source table, which includes FAA ATADS data for 533 U.S. airports)
The data clearly reflects the operational history of KSEA. This is an airport where there was a former near-monoploy by Alaska Airlines, which is now expanding into a duopoly, with TWO airlines using it for hub operations. Notice the growth in flight numbers after 2012, following the Delta business decision. But notice also how operations at this airport declined by nearly a third, from 2000-2012. Think a bit about these sizable ups and downs: do they reflect strong swings in the local economy and population, or do they merely represent airline business decisions?
Now, ponder this concept, too: does ‘consumer demand’ drive airline business actions, or do airline business actions drive consumer demand? Is it fair to say that the entire goal of airline marketing is to stimulate more consumer demand, and ever-higher passenger mileage consumption?
Ask yourself this: regarding the demand for flying in the Seattle area (…and this is an attractive area, which has drawn many new residents from around the world), did ‘consumer demand’ DECLINE that much during the 2000-2012 timeframe, and has ‘consumer demand’ for flying by Seattle-area residents grown as massively as airport operations after 2012? In other words, is it inappropriate and misinformational for airlines, the Port of Seattle, and FAA to declare that ‘passenger demand’ is driving the current impactful hub growth, when the true driver is ‘corporate/airline demand’? Check out this screencap from page 8 of a recent FAA document (FAA’s CATEX… more about that later in this Post). If you spend any time looking at press releases by airlines and the Port of Seattle, you will find the same misrepresentations consistently repeated, all aimed at tricking readers into believing ‘consumer demand’ is driving this growth. Wouldn’t it be more accurate and truthful for the industry players to precisely attribute these hub operational changes to airline corporate decisions? Shouldn’t they instead brag about their marketing savvy and their ability to manipulate consumers, to create higher (or lower) rates of consumption? Should the industry players be more transparent, noting how when assets are reallocated from a declining hub to their latest new hub, we end up with economic decline and stagnation in the former?
The bottom-line is this: some airports grow excessively, while other airports seemingly whither away. Further evidence and examples can be viewed at the full 1991-2017 data collection for all tower airports (533 different airports, in this table). Do your own analysis for your own region, but be sure to take a closer look at the airports within the rustbelt centered on Ohio … from Detroit to Buffalo to Pittsburgh to Memphis to St. Louis and back to Detroit. Within this large region, at even the busiest airports, operational declines have averaged well over 50% from peak traffic years. And, many airport hubs have been outright abandoned.
What gives here?
Under the hub-and-spoke business model, commercial passenger operators maximize profits if they theoretically fly an infinite number of passengers into a hub airport at the same moment, have the passengers instantly sort out gate-to-gate into all the parked airplanes, and then depart all at the same instant. Of course, airports cannot be this efficient, and safety rules restrict aircraft flow rates, as both arrival and departure streams typically require around one minute spacing between consecutive flights. So, the next best thing for the airport and airlines (but certainly NOT for sleep-deprived and lung-impacted residents in the airport community!) is to tweak the rules in a way that maximizes ‘runway throughput’.
An example of this rule-tweaking is the use of diverging departure headings. At SeaTac, FAA took this to an extreme when they imposed routine 90-degree left turns immediately after takeoff, for Horizon Q400 turboprops heading south during North Flows. These departures impacted residents in Burien, the community at the northwest corner of KSEA. After concerns were raised (including legal engagement), FAA backed down early last year, removing an automated turn coordination from the tower-TRACON letter of agreement (also known as the ‘SEA-S46 LOA’). That should have been the end of this, right? Well, it was not. Instead, under new Regional Administrator David Suomi, FAA spent more than a year internally discussing and drafting papers to reinstate automated turns over Burien. The culmination of all that FAA effort (and, yes, we all paid for it!) is a 51-page CATEX document titled “Categorical Exclusion for Letter of Agreement Update to Automate a 250° Westerly Turn for Southbound Turboprops When Seattle – Tacoma International Airport is Operating in North-Flow Between the Hours of 6 am and 10 pm.” Read that title to yourself again, slowly and carefully, and try to make sense of it. All of this is just to formalize a written agreement between the tower and the radar controllers, so that the turns are automated, instead of coordinated verbally (push a button down, state a few words, and get concurrence … typically takes 2-3 seconds total) on a case-by-case basis. And, the automation discards the safety element of a diligent analysis of the traffic picture for each coordination event. Anyway, here is a copy of FAA’s PDF:
Click on the image below for a scrollable view; the PDF file may be downloaded.
Like its title, this document is a doozy. Spend a little time studying it and you will see the extremes FAA goes to so as to enable excessive airport expansion. Page after page, lacking in substance, heavy on repetitive ‘safety’ and ‘efficiency’ soundbites, none of which are substantiated. If a particular detail or two really grab you, and you have an insight or a question, please email the aiREFORM administrator so we can share that on (odds are high, if you read something as puzzling or shocking, others will read it the same way, too). And, by the way, don’t waste your time trying to search this FAA PDF, because FAA scanned it to be unsearchable. I.e., although this captured agency claims to be engaging the community on matters such as early turns over Burien, in truth they are knowingly reducing the value of tools (such as this 51-page CATEX document) that concerned citizens need to carefully study). This trend, away from searchable PDFs, has been observed in FAA’s FOIA responses; whereas in the past nearly all PDF FOIA response documents were searchable, in time nearly all have become non-searchable.
The Dark Side of So-Called ‘Collaboration’
When two parties conspire in a way that adversely impacts a third party, we have collusion. In an age of propaganda, when collusion happens between aviation parties such as FAA, airport authorities, and airlines, they just call it ‘collaboration’. The true and unspoken purpose of their so-called ‘collaboration’ is to achieve a consistency in their soundbites. The early turns over Burien are an example of this ‘collaboration’. Another example is how these same players routinely claim the excessive growth at SeaTac is to meet customer demand. The short answer to that claim is, well, ‘Bullshit!’. Frankly, ‘demand’ is just a lame and misrepresentative excuse; the real cause of extreme over-expansion at airports is greed by the aviation players. And let’s be clear: it is not just the airlines, but also the airport authorities and the FAA. There is plenty of collusion to go around.
Here’s some data that proves the above point. It offers data from three Delta hub airports that have been scaled down, and shines a light on the downsizing of aviation in Middle America:
Click on the image below for a scrollable view; the PDF file may be downloaded.
This data reflects the harsh reality that today, in the U.S., FAA serves the airlines with a propaganda line, trying to sucker taxpayers into believing passenger demand creates impact problems at places like Seattle, Boston, Long Island, Maryland, and Charlotte. This is blatantly false, and most people at FAA know this. Hub concentration is NOT driven by consumer demand; no, airline greed is driving hub concentration, at great cost to local communities.
Congress needs to demand FAA serve all of us, not just the airlines and airport authorities. FAA is out of control and needs to be reigned in, and must not be allowed to continue operating as the captured regulator it has become.