Are there nonstop flights from Calgary (YYC) to Nassau (NAS)?

Yes. WestJet fly this route. Flight time is about 5h 29m.

What is the fastest connection from Calgary (YYC) to Nassau (NAS)?

via Atlanta ≈ 6h, via Orlando ≈ 6h, via Tampa ≈ 6h 2m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 30,000 ANA miles (economy, one way, based on the published award charts).

Calgary International Airport (YYC) to Lynden Pindling International Airport (NAS)・4,242 km

Nonstop flights available (1 airline). Flight time about 5h 29m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via ORD)ANA 30,000 miles+ (via ORD)Economy, one way, estimate. Tap a connection for miles by cabin.

22 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.