Article Summary:

Where are you likely to get trapped in an airport in the U.S. this holiday season? We’ve compiled data and created a list of the worst airports in America for delays in 2018. By taking a deep look at flight delay statistics of 25 major airports in the USA, we assigned grades for great service or poor performance. Check out our list to see which are the best and worst U.S. airports!

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The Data We Looked At

To calculate which major U.S. international airports have the most delays, we looked at the busiest airports in the U.S. and collected data from the Federal Aviation Administration (FAA) and the Bureau of Transportation Statistics (BTS), as well as cursory data on wait times in customs from U.S. Customs and Border Protection (CBP).

We created our index with the following key data points:

Percentage of on-time domestic flight departures, as reported by the Bureau of Transportation Statistics (BTS)
Percentage of canceled domestic flights, as reported by the Bureau of Transportation Statistics (BTS)
Average of domestic flight delays for both departures and arrivals, in minutes, as reported by the Bureau of Transportation Statistics (BTS)
Average taxi-in and taxi-out times in minutes per flight, according to the Federal Aviation Administration (FAA)
Average wait times in customs lines, calculated using daily averages and averaged for the year, using data from U.S. Customs and Border Protection

ORD Airport, Chicago, IL

All of these times — missed flights, canceled flights, delayed flights, long minutes taxiing or being stuck in line — can add up a great deal if you happen to be visiting family during the holidays or vacationing in the States. That’s why we took it all into consideration when creating an index and assigning grades.

How did we figure out which U.S. airports were the busiest? While the official data from the Airports Council International (ACI) is a bit dated (from 2016), it still gives us a fairly accurate depiction of which airports get the most passenger traffic.

What Is the Worst Airport in America?

After crunching all of the numbers, the absolute worst airport in America for delays, with a score of 588.99, is John F. Kennedy International Airport in New York, NY (JFK). New York City’s primary airport had low scores across the board, with fewer on-time flights, more cancellations, and lots of delays. Taxiing times are particularly bad at this airport (27.5 minutes on average for taxiing out and 20.07 minutes for taxiing in).Airports in and around New York City performed badly in general, with Newark (EWR) and LaGuardia (LGA) coming in second and third place among the worst airports in the U.S., respectively. The data tells us which are the worst airports for delays, but many believe LaGuardia to be the real worst airport due to its awful food, bad service, and overall poor reputation. That’s more of an opinion-based assessment, however. It’s far from the worst airport in the world, which is widely regarded to be Kuwait International Airport (KWI).

JFK Airport, New York, NY

What Are the Top 10 Worst Airports in the USA?

By crunching the numbers to find the most delayed airports in the U.S., we can give you our graded list.

Here’s the data-focused list of the top ten worst airports in America:

JFK in New York City, NY (Our Score: F) — This busy airport got the lowest score in our index for being generally crummy across the board.
EWR in Newark, New Jersey (Our Score: F) — Newark’s airport has the lowest percent of on-time departures on our list!
LGA in Queens, NY (Our Score: D) — LaGuardia Airport has a truly absurd percentage of canceled flights. If you go, don’t expect to get out!
ORD in Chicago, IL (Our Score: D) — You’ll likely get out of O’Hare, but you’ll likely get stuck there a while for layovers due to fairly long delays for arrivals.

EWR Airport, Newark, NJ

1. MIA in Miami, FL (Our Score: D) — Long customs wait times pushed this international hot spot over the edge.
2. SFO in San Francisco, CA (Our Score: D) — “San Fran” has a very good percentage in terms of canceled flights, but those customs wait times are ridiculous!

MCO in Orlando, FL(Our Score: D) — If you’re in Orlando to visit the mouse or Harry Potter, know that getting through customs can be a pain and that delays are frequently longer than an hour.
BOS in Boston, MA (Our Score: D) — Boston has a fairly low percentage of on-time departures.
PHL in Philadelphia, PA (Our Score: C-) — With a fairly high percent of canceled flights and a fairly low percent of on-time flights, Philly is a likely place to get stuck.
IAH in Houston, TX (Our Score: C-) — The George Bush Intercontinental Airport has a fairly good percentage of on-time flights, but it seems like when they get it wrong, they get it really wrong.

MCO Airport, Orlando, FL

What Are the Top 10 Best Airports in the U.S. in 2018?

Of the 25 different airports that we studied, some showed good promise overall in avoiding delays and keeping their flights on-time.

Note, however, that none of the best U.S. airports on our list earned the grade of A!

PHX in Phoenix, AZ (Our Score: B+) – Probably at least in part due to the consistently pleasant weather, Phoenix’s PHX ranks as the best out of the busiest airports in the country.
SLC in Salt Lake City, UT (Our Score: B) – The airport has the best percentage of on-time flights on our list, at a whopping 86%!
MDW in Chicago, IL (Our Score: B) – For percentages, MDW has about the same scores as ORD, but MDW’s wait times are far more reasonable.
SEA in Seattle, WA (Our Score: B) – Come rain, come snow, SEA is getting planes out! The cancellation rate is only a half of a percent!

PHX Airport, Phoenix, AZ

1. BWI in Baltimore, MD (Our Score: B-) – Don’t want to wait a long time in customs? Come to BWI on the East Coast, rather than New York.
2. ATL in Atlanta, GA (Our Score: B-) – Atlanta is a wonder of engineering; we’ll talk more about why in the next section.

LAS in Las Vegas, NV (Our Score: B-) – Landing in the City of Lights is positively pleasant compared to many of the other spots on our list.
MSP in Minneapolis/St. Paul, MN (Our Score: B-) – Despite being relentlessly snowy, MSP ranks eighth out of the busiest airports in the country.
DEN in Denver, CO (Our Score: C+) – Denver isn’t great, but they aren’t bad. Their wait times are fairly long, but the airport rarely cancels flights.
DTW in Detroit, MI (Our Score: C) – With a very good percentage of on-time flights, Detroit might impress you, but note that their wait times are actually worse than JFK!

LAS Airport, Las Vegas, NV

What Are the Busiest Airports in the U.S.?

In terms of airports with the worst delays, you’d assume the worst airports are the busiest ones, right? Not necessarily.

What is the biggest airport in the U.S. traffic-wise?Atlanta, GA, (ATL) is not only the busiest airport in the country but the busiest in the world, serving 104 million passengers. Yet ATL earned a delay score of B- on our list.

Hartsfield-Jackson Atlanta International Airport is the hub of airlines like Delta, Southwest, and Spirit, with more than 200 gates, and yet it’s earned a score on our index of 414.05; it has a very low cancellation rate of only 1.25% and a customs line wait of only 12.27 minutes!

ATL Airport, Atlanta, GA

The next busiest are O’Hare (ORD) and Los Angeles (LAX) in terms of passenger traffic. O’Hare was fourth on our list of airports with the most delays, likely due to Chicago’s snowy climate, but LAX received a score of C while having fairly low wait times and an extremely low cancellation rate. LAX airport delays are forgivably low considering that they serve about 70 million passengers a year.

Don’t Get Trapped in a Lame Layover This Holiday Season

If you’re trying to book your vacation or next home visit, we recommend avoiding these most delayed airports in the United States.If they are truly not possible to avoid, then at the very least, book yourself with plenty of extra time during layovers — possibly two hours or more if you’re going to a difficult airport like JFK, Newark, or LaGuardia.

And if you’re unlucky enough to be caught in a -10°F snowstorm in places like ORD, Chicago, then you could be looking at being delayed for more than 24 hours.

Snowstorm at Chicago O’Hare Airport

Why Do Some Airports Suck With Delays While Others Are Usually On-time?

We think that one big cause for delays (apart from extreme weather (5%) and the previous flight arriving late (39%)) could come down to the design of the airport.

As you’ll see in the below satellite images, airports like JFK (New York, NY), EWR (Newark, NJ) and LGA (New York, NY) are quite poorly designed with limited access to only a few runways, and they are crammed into a small amount of land area.

On the other hand, airports like DEN (Denver, CO), ATL (Atlanta, GA) and PHX (Phoenix, AZ) are extremely well-designed with amazing access to up to ten runways, and they all have a spacious design. This coherence and logic in design is especially notable with ATL: even though it’s the busiest airport in the world, it’s also one of the least likely in America to cause a delay! So if anyone is in the process of designing an international airport, take a look at ATL.

Examples of Poorly Designed Airports

Examples of Well Designed Airports

Raw Interactive Data Used In Our Study

Note: All applicable times are in minutes. Also, in the last column titled, “Average Customs Wait Time” when it says “0” for LGA and DCA it means N/A. Click the column titles to sort the data. You can also change the number of visible rows by clicking “show more entries”. If you are on a mobile device you can scroll horizontally to see all the data.

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Airport	% On Time Departures (2018)	% Canceled Flights (2018)	Average Delay for Departures (2018)	Average Delay for Arrivals (2018)	Taxi-in Time (Per Flight) (2017)	Taxi-Out Time (Per Flight) (2017)	Average Customs Wait Time (2017)

Airport	% On Time Departures (2018)	% Canceled Flights (2018)	Average Delay for Departures (2018)	Average Delay for Arrivals (2018)	Taxi-in Time (Per Flight) (2017)	Taxi-Out Time (Per Flight) (2017)	Average Customs Wait Time (2017)
JFK – New York, NY	77	2.82	72	78	9	27.5	20.07
EWR – Newark, NJ	71	3.14	72	74	9.5	22.4	17.87
LGA – Queens, NY	75	4.14	73	74	8.9	27.1	0
ORD – Chicago, IL	79	1.87	68	77	13.1	20.1	14.23
MIA – Miami, FL	79.5	2.4	68	64	9.9	19.6	19.7
SFO – San Francisco, CA	76	1.42	65	69	8.6	20.9	22.05
MCO – Orlando, FL	77.5	2.04	68	63	9.3	14.8	24.43

Showing 1 to 7 of 25 entries

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Data Sources
https://www.faa.gov/nextgen/snapshots/airport/
https://transtats.bts.gov/airports.asp
https://awt.cbp.gov/
https://aci.aero/data-centre/annual-traffic-data/aircraft-movements/2016-final-summary/
https://aci.aero/data-centre/annual-traffic-data/passengers/2016-final-summary/
https://aci.aero/data-centre/annual-traffic-data/cargo/2016-final-summary/

Link To Original Content