World's Busiest Airports in 1970

Name the cities that had the World's busiest airports in 1970 by aircraft movements (excluding leisure and sport aircraft).
Not actually in 1970, but 1967 doesn't have the same ring to it.
Quiz by relessness
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Last updated: September 13, 2014
First submittedSeptember 12, 2014
Times taken1,116
Rating4.00
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#
City
1
Chicago
2
New York City (JFK)
3
Los Angeles
4
San Francisco
5
Atlanta
6
Washington
7
London
8
Dallas
9
Miami
#
City
10
New York City (Newark)
11
New York City (La Guardia)
12
Boston
13
Paris
14
Philadelphia
15
Detroit
16
Frankfurt
17
Cleveland
#
City
18
Pittsburgh
19
St Louis
20
Denver
21
Rome
22
Copenhagen
23
Kansas City
24
Honolulu
25
Montreal
+1
Level 81
Sep 13, 2014
Got 24/25. Only missed Honolulu. Miami shows up on the list twice. Is the second one really Atlanta? Houston? Baltimore? I guess I'll click through the source and find out because I'm curious.
+1
Level 81
Sep 13, 2014
and the winner is.... Atlanta.
+1
Level 57
Sep 13, 2014
I typed Atlanta twice because I couldn't believe it would not be on the list. This explains a lot :)
+1
Level 59
Nov 21, 2018
Now add a version without U.S. cities
+1
Level 68
Jul 28, 2019
Wow, I had no idea Copenhagen airport was the 4th largest airport in Europe back then..