Originally Posted by
HohoGAP
Just flew through AMS two weeks ago to IST. No test required to transfer in AMS. In fact, no one in AMS or IST even checked for my COVID-negative test They left it to Delta check-in at the airport in DTW to confirm I was good to go.
So you did have (and needed) a negative test to transit in AMS. If you didn’t show it to Delta you wouldn’t have been allowed on that plane.