Hi, I've been unable to find any direct flights from Frankfurt to Cancun so it depends on which US Airport you go via. Approximate flight time is between 16 and 17 hours plus. Hope this helps.
10 hours
This flight takes around the 9 hours and 20 minutes.
6 hours flight time
4hrs
A flight takes around the 9 hours and 40 minutes.
The results of your search for Zagreb (ZAG) to Chicago, IL (CHI)Shortest Flight Duration * 11 hours 45 mins * Via Frankfurt International Apt, Frankfurt (FRA) * this includes transfer time at Frankfurt International Apt, Frankfurt (FRA)
The flight time is approximately 2 hours, 46 minutes.
4,387 flight miles
a straight flight will be around 8 hours
A nonstop flight from Cancun, Mexico to Cincinnati, OH will take 3 hours 10 minutes. A connecting flight will take a minimum of 5 hours 20 minutes.
Frankfurt (FRA) to Rome (ROM) Shortest Flight Duration 1 hour 45 mins
10hr 30min Mexico City (MEX) to Frankfurt (FRA) by a nonstop flight operated by Mexicana