He flew east from Canada after the G7 meeting where Trudeau's eyebrow fell off then stopped in Crete then on to Singapore
Qubec to Crete to Singapore to Anderson AFB Guam to Hickam Field Hawaii to Andrews Joint AFB USA
Map of Trump Flight Route Singapore Trip
http://www.keeptalkinggreece.com/2018/06/10/trump-crete-g7/
He came, refueled and left: US President Trump on Crete (videos) June 10, 2018
https://www.cnn.com/videos/politics/2018/06/10/donald-trump-arrives-singapore.cnn
Jun 10, 2018 President Trump arrives in Singapore for a historic summit with North Korean leader Kim Jong Un.
***NEWS FLASH***
They never give you the real route of the POTUS ever for safety concerns.
If someone is telling you this, then you can instantly dismiss it as fake news.
Reported POTUS arrived just after 8:20 p.m. local time at Paya Lebar Base in Singapore.
Using a polar orbit-trajectory, couldn’t a missile launched from Whidbey intercept AF1 in transit from Crete to Singapore?
I know most people focus on East-West missile trajectories, but in point of fact, most missiles use polar trajectories.