ATL South Pre Check 1/14/19 Heads Up
Jan 15, 2019, 12:30 pm
#46
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Does anyone know how today was? I looked at the info on the airport's website and it looked like all the waits were 15 minutes, or so.
Jan 15, 2019, 1:52 pm
#47
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Jan 15, 2019, 2:12 pm
#48
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Actually, a 3-5% capacity reduction can completely break the system. In any standard queueing model, wait times do not increase linearly in utilization. In a very basic queueing model with a single server, waiting time is proportional to 1/(1-utilization), where utilization is arrival rate divided by service rate. A small reduction in service rate can therefore lead to a huge increase in waiting time. A system that goes from 90% to 92% utilized will therefore see waiting times increase roughly 25%. Not bad, but going to 94% would result in waiting times increasing roughly 66%. Going to 96% would result in the waiting time increasing by 150%.
Obviously TSA screening is a lot more complicated than an M/M/1 queue, but the same principles apply. Slightly reducing capacity drives up utilization; increasing utilization increases waiting time only slightly at first, but eventually it hits the fan, so to speak.
Obviously TSA screening is a lot more complicated than an M/M/1 queue, but the same principles apply. Slightly reducing capacity drives up utilization; increasing utilization increases waiting time only slightly at first, but eventually it hits the fan, so to speak.
Jan 15, 2019, 4:46 pm
#49
Join Date: Aug 2006
Location: Smyrna, GA, USA
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I went through domestic south today around 10:30AM and it was super smooth, like any other tuesday mid morning.
Jan 15, 2019, 5:37 pm
#50
Join Date: Sep 2004
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Not to support Reddit's editorial quality.. but this video is the best (if not a little too sped up):
https://v.redd.it/wt3nv4rdwfa21
https://v.redd.it/wt3nv4rdwfa21
Jan 15, 2019, 9:39 pm
#51
Join Date: Sep 2004
Posts: 309
Also, Atlanta sticks out like a sore thumb, especially on Precheck times. Then again, it can get to 30 minutes on a regular Monday. Seeing how the waits compare to a normal Monday would be interesting. But this is my home airport and even with Precheck I spend a lot of time in security lines.
On the plus side, I should be good going through Precheck at DCA tomorrow. Or today. Damn, I need to stop working.
On the plus side, I should be good going through Precheck at DCA tomorrow. Or today. Damn, I need to stop working.
Jan 15, 2019, 9:53 pm
#52
Join Date: Sep 2016
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Not only is private airport screening and security proven, time and again, the be vastly superior and more competent than TSA.GOV, but it also helps immunize air travel from .GOV bureaucracy.
Jan 15, 2019, 10:03 pm
#53
Join Date: Sep 2004
Posts: 309
Anecdotally I haven't seen much of the flu this year. There's a non-flu cold going around, just ordinary cold, and a stomach flu that went around over the holidays, but this is just anecdotal around where I live and work. Nothing really in the news I've heard about anything significant.
Jan 16, 2019, 4:26 am
#54
Join Date: Sep 2017
Location: ATL
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Small data point, went through this morning around 05:45, TSA Pre North was about half way down the glass wall, TSA Pre South was a single line out to the entrance and beginning to snake, Regular lanes in the center were about 3/4 full (didn't get a chance to see how many lanes were open); Clear was starting to back up outside the glass wall and Priority lane at South was backed up past the Clear entrance.
Last edited by Loadmaster; Jan 16, 2019 at 6:02 am
Jan 16, 2019, 5:59 am
#55
Join Date: Oct 2007
Location: Atlanta, GA
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around 645a today it took me 40 minutes to go thru clear/precheck in the south terminal. can't wait for this to be over or better yet privatize tsa. Most of us travel all over the country. Atlanta is always worse than the other airports I use.
Jan 16, 2019, 7:34 am
#56
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Maybe the OP has a shortcut to his/her understanding of lines.
But after that comment, we really shouldn't call lines "lines" because the math behind them is anything but linear.
Jan 16, 2019, 11:04 am
#57
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Jan 16, 2019, 11:16 am
#58
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Jan 16, 2019, 2:01 pm
#59
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"If you're not the lead animal, the scenery never changes."
Jan 16, 2019, 4:07 pm
#60
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CNN International is reporting (as of an hour or so ago) that 20 TSA employees were flown to ATL to help with the long lines. It sounds like a drop in the bucket to me in that given the numbers who always appear to be just standing around, 20 might be enough to cover one or two additional screening stations 24/7.
I guess the good news for ATL is that unlike some other airports where they have closed a terminal for the duration, in ATL there's no option of shutting down the international F terminal.
I guess the good news for ATL is that unlike some other airports where they have closed a terminal for the duration, in ATL there's no option of shutting down the international F terminal.