Flappers? Hahaha but yeah NCL-CUN is non stop now and
AFAIK no problems have arisen.
NCL-CUN is 4856 miles, NCL-VRA (Varedero) is 4533 and Sanford is 4219.
Varadero should be doable on an A330 (TCX) and definitely on a 787 (TOM/VS)
Wondering if TOM's DXB flights will be 787's or 757's?