JetSetAuthority

Route · Caribbean, Mexico, Central and South America

ATL Atlanta ⇄ CUN Cancún

Hartsfield Jackson Atlanta International Airport (United States) and Cancún International Airport (Mexico): great-circle distance, estimated scheduled flight time each way, time difference and jet lag.

Distance1,421 km883 mi767 nautical miles
ATL → CUN2 h 40 minestimated block time
CUN → ATL2 h 40 minestimated block time
Clock change−1 hCancún vs Atlanta, today
Great-circle route from Atlanta (ATL) to Cancún (CUN)ATLAtlantaCUNCancún
The shortest path over the Earth’s surface (great circle), drawn on a Natural Earth projection. Real flight paths bend around weather, winds and closed airspace.

Flight time each way

ATL → CUN

2 h 40 min

Estimated gate-to-gate scheduled time. Initial heading 190° (S).

Leave Atlanta Sat 7 Nov, 10:00 local → arrive Cancún Sat 7 Nov, 12:40 local.

CUN → ATL

2 h 40 min

Estimated gate-to-gate scheduled time. Initial heading 9° (N).

Leave Cancún Sat 7 Nov, 10:00 local → arrive Atlanta Sat 7 Nov, 12:40 local.

The two directions differ by 3 minutes in our estimate: this route runs mostly north–south, so the prevailing westerly winds make little difference. How we estimate it.

Distance

Great-circle distance1,421 km · 883 mi · 767 nmi
Initial heading190° (S) from ATL; 9° (N) from CUN
Farthest from the equator33.6°N
Crossesneither the equator nor the 180th meridian
Share of the longest possible trip7% of the 20,015 km to the far side of the Earth

Time zones and jet lag

ATLAmerica/New_York — UTC−4 now; UTC−5 standard time, UTC−4 during daylight saving time
CUNAmerica/Cancun — UTC−5 now; UTC−5 all year (no daylight saving time)
DifferenceCancún is 1 hour behind Atlanta today; ±0 h in January and −1 h in July because daylight saving time starts and ends on different dates (or not at all).

Jet lag, flying ATL → CUN. Your body clock has to move 1 hour later, like a westward trip. A shift this small rarely causes much jet lag; most people feel normal within a day or so. Flying the other way, the shift is reversed.

General information, not medical advice.

The two airports

More routes from ATL and CUN

Routes of a similar length

Need a different pair? The flight-time calculator works for any two of 3,245 airports. Not covered: which airlines fly this route, schedules, fares and live status — that data is proprietary and we don’t guess it.

Photos on airport pages are credited there. Estimates are rounded to 5 minutes; typical error about 13 minutes (validation).