We've got Tyler spotted in ATH at some point on Wed 25 Nov. There's conveniently a nonstop flight from Athens to Yerevan on Wednesdays that would probably be favored over additional connections in Moscow or Kiev, so I'm guessing he and Korey (and probably everyone else) were on
A3 821 GVA ATH 1625 2010
A3 932 ATH EVN 2340 0320 (26th)
#justsaying
A 3:20 am arrival would likely force teams to wait for HoO (Yerevan Cascade is the Detour decision point which is in daylight, as is the car RB), perhaps at
"Let the Good Times Roll"--In this Route Marker, Blair (pictured) and Scott must attend a performance of Khachaturian's Sabre Dance at the Yerevan Opera Theater then search the stage and the auditorium for the next clue on THE AMAZING RACE, Friday, April 1 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: CBS ©2016 CBS Broadcasting, Inc. All Rights Reserved
(also because I didn't copy it over here, we know teams left Yerevan by train but the only train that runs from Yerevan to Tbilisi is an overnight train (~21:30 - 7:00 (+1)) that operates every other day [shouts to
Slowhatch soooo this leg is probably a KOR)