OM in the News: TSA, Thanksgiving, and OM Come Together

TSA’s airport operations center in Arlington, Va., opened this summer and coordinates checkpoint operations at the 30 largest airports. Here, screens show projected and actual passenger volume by hour, plus projected wait times, staffing levels and number of lanes open for terminals at Chicago’s O’Hare and New York’s LaGuardia airports
TSA’s airport operations center coordinates checkpoint operations at the 30 largest airports.

With the busiest travel day of the year approaching the Sunday after Thanksgiving (2.8 million people will pass through U.S. airports that day), the Transportation Security Administration says it’s better prepared to handle record numbers of travelers and should make it through Christmas without gridlock.

“This marks the first winter test of a new command center in Virginia, built to react more quickly to trouble spots at airports,” reports The Wall Street Journal (Nov. 18, 2016). The command center has screens on 3 walls displaying data from the 30 largest airports. They monitor wait times, equipment failures, number of lanes open, and projected and actual passenger volume hour-by-hour at security checkpoints. Airports with waits of under 30 minutes for standard screening and 10 minutes for trusted-traveler PreCheck lines are green, but turn yellow if waits jump higher in either category. A morning conference call with airports and airlines takes place 7 days a week. From there, TSA has shifted screeners and canine teams and used overtime to nip major delays.

On a recent day, a checkpoint here in Orlando, showed a 38-minute wait around noon, grabbing TSA’s attention. Extra officers were added, and by 2 p.m. the wait dropped to 5 minutes. TSA staffing is also up, with 44,800 uniformed officers. TSA says it will have enough officers and overtime dollars to keep all lanes open at peak holiday periods.

And automated lanes, commonly used in Europe and  Canada, have just opened at Chicago’s O’Hare Airport and are in the works at other big hubs. They have multiple places for travelers to load trays for X-ray screening, so one slow passenger doesn’t delay everyone. If a suspicious item is detected, bins are automatically diverted to secondary screening instead of stopping the X-ray belt and waiting for an officer. The approach shows a 20-30% boost in throughput.

Classroom discussion questions:

1. What OM approaches is TSA employing?

2. What other ideas do students have to streamline the screening process?

OM in the News: TSA Turns to OM, and Improves Queue Times

HIDE CAPTION Peak wait times measured by airport officials at Chicago O’Hare International Airport, pictured May 16, fell from 105 minutes in early May to just nine minutes in the two weeks before the Fourth of July
Peak wait times at Chicago O’Hare Airport fell from 105 minutes in May to just 9 minutes in late June

After hours long lines at some airports and public outrage over stranded passengers, the beleaguered Transportation Security Administration (TSA) just pulled off a major restructuring, dramatically reducing wait times even as summer air travel surged to record levels. Nationally, over the 4th of July, wait times averaged 10 minutes and PreCheck lines averaged 5 minutes.

“How TSA dug out of its checkpoint quagmire is both a remarkable story of rare, quick change inside a big government agency,” writes the Wall Street Journal (July 21, 2016)–and it all involved a series of basic OM analyses that your students could have developed. Here are some of the TSA changes:

  1. Put more agents on passenger screening checkpoints.
  2. Provided a barrel to dump out water bottles before they went through X-ray machines and brought screening to a halt.
  3. Added 600 contract workers to move bins and direct passengers so TSA screeners (who used to do that) could go back to screening and open more lanes.
  4. Created a maintenance desk in each command center to quickly dispatch techs instead of the old process of writing a repair ticket and waiting.
  5. Summer vacations for screeners were limited; nonessential training was deferred.
  6. Slightly increased the number of people selected to get PreCheck printed on boarding passes.
  7. Created a Central Command Center which hosts daily conference calls with local directors, airports and airlines. Here they share best practices and coordinate efforts, shifting staff at airports with multiple terminals and regions with multiple airports as needed.

“We completely changed the way we operate,” said TSA’s administrator.

Classroom discussion questions:

  1. Can students expand this list with more suggestions?
  2. What will happen in Fall, when short-term fixes like overtime, delayed vacations and training, etc., dissolve?

OM in the News: Queuing Up for Airport Security

tsa2Queuing up at the Orlando airport last week, en route to giving a lecture at Tulane University, I encountered a 40+ minute wait for TSA security checks. Returning from New Orleans a few days later, the TSA walk through took less than 2 minutes. Reading the Wall Street Journal’s article “Airport Security Lines Grow” that day (March 3, 2016), leads me to believe this is a good topic for class when you cover Waiting Line Models in Module D. Here is what the Journal writes: “Longer lines are the result of a collision of three changes: reduced staffing from federal budget cuts, a surge in travelers at some airports, and efforts to fix significant screening lapses.”

Current staffing is about 41,000 screeners, below the congressional cap of 42,500, and 5,600 fewer screeners than in 2011. At the same time, TSA has been intentionally slowing down security screening to tighten it up. This comes after some failures to identify weapons and other mistakes during covert government testing.

It  is not just Orlando International. Chicago O’Hare has had lines this week snaking through concourses, delaying hundreds of flights. Atlanta has seen peak-time security screening waits of an hour recently because checkpoints are “woefully understaffed.” TSA and airlines have started advising travelers to arrive up to 2 hours before a domestic departure and 3 hours for international flights.

American Airlines says it has had to delay hundreds of flights in January. At Delta’s New York Kennedy terminal, the PreCheck expedited screening line stretched almost out the building door on a recent Friday morning. Airports in Minneapolis, Las Vegas, Denver, Seattle and Miami all say they have seen longer lines at checkpoints over the past two months.

Classroom discussion questions:

  1. What tools in the text could be used to analyze this queuing problem?
  2. Why the vast disparity between Orlando and New Orleans TSA?

OM in the News: Can You Help TSA Shorten Security Queues?

TSA checkpoint in Atlanta
TSA checkpoint in Atlanta

In anticipation that more fliers will be eager to pay for expedited checkpoint screening, the Transportation Security Administration has promised to award $15,000 in cash prizes to whomever can design a faster waiting line system, reports Nextgov (July 18, 2014). The competition is on InnoCentive, a website for crowdsourcing solutions to problems, which enables individuals and teams to submit proposals. “There is a guaranteed award,” the contest overview states. “The total payout will be $15,000, with at least one award being no smaller than $5,000.”

The challenge aims to solve expected problems with TSA PreCheck, a program where passengers who undergo a background check and pay $85 get access to fast lanes that don’t require removing shoes, coats, liquids and laptops. “Current queue layouts at TSA Pre✓ airports will need to adapt to support the increasing population of TSA Pre✓ passengers,” the competition states. “TSA is looking for the Next Generation Checkpoint Queue Design Model to apply a scientific and simulation modeling approach to meet queue design and configuration needs of the dynamic security screening environment with TSA Pre✓.” TSA also is asking for approaches that would help speed standard, “free” waiting lines.

Competitors must supply a proposal that considers physical logistics, peak hours and staffing schedules, among other constraints. The “line” extends from the point where a passenger joins the end of the queue to the metal detector or body scan machine. Wait times cannot be more than 5 minutes for PreCheck and 10 minutes for standard lines. Also, the model should enable TSA to apply a “Computer Aided Design drawing to define the physical space available for queuing.”

Competitors are required to provide an animation of a computer screen that shows passengers flowing through lines. It must display real-time reporting during the animation, and allow a user to pause a simulation run when necessary for analysis or evaluation. What a great example of a complex, real-world queuing problem to ask your students to discuss!

Classroom discussion questions:

1. Why is TSA turning to crowdsourcing?

2. What ideas do you have for speeding the lines?

 

OM in the News: Queuing Up For TSA’s Fast Security Line

The TSA wants to speed up this line. Really.
The TSA wants to speed up this line. Really.

Fliers gripe that getting through airport security lines can be too slow. Now, it may be fliers who are slow to sign up for a program to speed them through the lines. The Transportation Security Administration is aggressively trying to encourage more people to sign up for TSA Precheck, reports The Wall Street Journal (April 17, 2014). 

Precheck, launched in 2011, is much-loved among travelers because they don’t have to take off their shoes and jackets, don’t have to pull liquids and laptops out of baggage, and can walk through metal detectors without a full-body scan. By doing background checks on Precheck enrollees and scanning law-enforcement databases, TSA offers what is essentially pre-9/11 screening to “trusted travelers.”

TSA wants lots more people enrolled in Precheck to make better use of its designated security lanes, which currently number 590 at 118 U.S. airports. “It’s one of the last great bargains the U.S. government is offering,” TSA Administrator John Pistole has joked. To entice travelers into Precheck and test TSA’s ability to handle more people, the agency has been selecting regular passengers to go through Precheck security lanes and get it printed on their boarding passes. Selection is based on criteria like passengers’ travel history and the route being flown. TSA officers trained in behavior detection also can move passengers they deem low risk from regular queues into Precheck lanes.

Pistole said he has heard the complaints about Precheck lanes getting clogged, and TSA has already decided to stop moving travelers 75 years of age and older into Precheck service, unless they are enrolled, because they sometimes can take 10 minutes to move through. “It used to be great, but recently the Precheck lines have been the slowest of all the lines,” said Northeastern University OM Professor Fred Van Bennekom, who has timed TSA lines. “Sometimes there’s almost no one in regular lines and we’re all backed up at Precheck.”

Classroom discussion questions:
1. Why is the TSA using the Precheck program?

2. What else can operations managers do to speed up the security screening process?