Are there nonstop flights from Ji'an (JGS) to Guiyang (KWE)?

No. The fastest connection is via Zhuhai, about 2h 38m of total flying time.

What is the fastest connection from Ji'an (JGS) to Guiyang (KWE)?

via Zhuhai ≈ 2h 38m, via Chengdu ≈ 2h 50m, via Xiamen ≈ 2h 52m (estimated flying time, excluding layovers).

from 15,000 JAL miles (economy, one way, based on the published award charts).

Jinggangshan Airport (JGS) to Guiyang Longdongbao International Airport (KWE)・789 km

No nonstop flights. The fastest connection is via Zhuhai (ZUH), about 2h 38m of flying time (layover not included).

With milesJAL 15,000 miles+ (via NKG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 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.