No Fly List - False Positives

False Positives

A "false positive" occurs when a passenger who is not on the No Fly List has a name that matches or is similar to a name on the list. False positive passengers will not be allowed to board a flight unless they can differentiate themselves from the actual person on the list, usually by presenting ID showing their middle name or date of birth. In some cases, false positive passengers have been denied boarding or have missed flights because they could not easily prove that they were not the person on the No Fly List.

When an airline ticket is purchased, the reservation system uses software to compare the passenger's name against the No Fly List. If the name matches, or is similar to a name on the No Fly List, a restriction is placed in their reservation that prevents them from being issued a boarding pass until the airline has determined whether or not they are the actual person whose name is on the No Fly List. Passengers are not told when a restriction has been placed on their reservation, and they normally do not find out that anything is unusual until they attempt to check in. "False positive" passengers cannot use Internet check-in or the automatic check-in kiosks in airports. Any attempt to use them will normally result in a message that the check-in cannot be completed and that the passenger needs to see a live check-in agent.

In order to be issued a boarding pass, a "false positive" passenger must present identification that sufficiently differentiates them from the person on the No Fly List. This can include, but is not limited to, date and place of birth, middle name, citizenship, passport number, etc. Depending on the airline, this clearance can be done either electronically, with the check-in agent keying the information into the system, or a manual procedure where the agent telephones a centralized security office to obtain clearance. Once a "false positive" passenger has been cleared for a flight, the clearance will usually, but not always, apply to the remaining flights on that reservation, including the return. However, the next time this passenger purchases an airline ticket, they will have to be cleared all over again. If a passenger's identification is insufficient to differentiate that passenger from a name on the No-Fly List, the airline will refuse to issue a boarding pass and tell the passenger to contact the TSA.

Policies vary from airline to airline as to whether a check-in agent will tell passengers why they must always have additional steps performed when they check in, or why they are unable to check in via Internet, kiosk, or at curbside. In some cases, check-in agents will incorrectly tell passengers that they must be cleared because they are "on the No Fly List", when in fact they are simply a "false positive" (having the same name as someone on the No-Fly List). False positive passengers who are ultimately issued boarding passes are not on the No Fly List. In the majority of instances, passengers are not told anything, and it is only through the repeated experience of needing to be cleared or being unable to use curbside, Internet or automatic check-in that they come to suspect that they are "false positives".

False positive passengers are at a disadvantage when traveling, because their documents must be inspected by airline personnel before they can be issued a boarding pass. Because this permanently excludes them from being able to use Internet, kiosk, or curbside check-in, they are, at best, required to appear at the airport earlier than they might normally have, because they must wait in line to be cleared. Some airlines provide a special counter for this purpose; others require the passenger to wait in the line for passengers with checked baggage, even if they have no baggage to check. At worst, passengers have actually missed flights because the flights were oversold and all of the available boarding passes were already claimed by other passengers who were able to check in via the Internet, or because airline personnel could not contact the airline's security department to obtain a clearance, or because the passenger's identification didn't sufficiently differentiate them from a name on the No Fly List.

In an effort to reduce the number of false positives, DHS announced on April 28, 2008 that each airline will be permitted to create a system to verify and store a passenger's date of birth, to clear up watch list misidentifications. Passengers can voluntarily provide this information to the airline, which would have to be verified by presenting acceptable ID at the ticket counter. Once this data has been stored, travelers that were previously inconvenienced on every trip would be able to check in online or at remote kiosks. It will be up to each individual airline to choose whether they wish to implement such a system.