Are there nonstop flights from Amman (AMM) to Montego Bay (MBJ)?

No. The fastest connection is via Milan, about 14h 3m of total flying time.

What is the fastest connection from Amman (AMM) to Montego Bay (MBJ)?

via Milan ≈ 14h 3m, via Zurich ≈ 14h 7m, via London ≈ 14h 13m (estimated flying time, excluding layovers).

from 40,000 JAL miles (economy, one way, based on the published award charts).

Queen Alia International Airport (AMM) to Sangster International Airport (MBJ)・11,031 km

No nonstop flights. The fastest connection is via Milan (MXP), about 14h 3m of flying time (layover not included).

With milesJAL 40,000 miles+ (via JFK)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.