Are there nonstop flights from Atlanta (ATL) to Chennai (MAA)?

No. The fastest connection is via London, about 18h 38m of total flying time.

What is the fastest connection from Atlanta (ATL) to Chennai (MAA)?

via London ≈ 18h 38m, via Frankfurt am Main ≈ 18h 39m, via Abu Dhabi ≈ 18h 53m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Hartsfield Jackson Atlanta International Airport (ATL) to Chennai International Airport (MAA)・14,580 km

No nonstop flights. The fastest connection is via London (LHR), about 18h 38m of flying time (layover not included).

With milesANA 40,000 miles+ (via FRA)JAL 47,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.