@SFOMuseum Twitter Posts Tagged routemap This is SFO Museum's archive of the @SFOMuseum Twitter account. There are 3 posts . See all the tags or all the Twitter posts that have been archived so far.

.@Delta has added a few more routes since their 1946 system map: #aviation #routemap This tweet was posted on June 19, 2015.

American Airlines thoughtfully included a 'cloud atlas' in their 1939 system map: http://t.co/FTOM8A6Kxy #routemap This tweet was posted on November 18, 2014.

United's 1940s colorful US route map also shows the limits of trans-Pacific flight options: http://t.co/awovdf8elK #routemap This tweet was posted on October 07, 2014.