JetSetAuthority

Route · United States and Canada

JFK New York ⇄ SJU San Juan

John F. Kennedy International Airport (United States) and Luis Munoz Marin International Airport (Puerto Rico): great-circle distance, estimated scheduled flight time each way, time difference and jet lag.

Distance2,578 km1,602 mi1,392 nautical miles
JFK → SJU3 h 55 minestimated block time
SJU → JFK4 h 05 minestimated block time
Clock change±0 hSan Juan vs New York, today
Great-circle route from New York (JFK) to San Juan (SJU)JFKNew YorkSJUSan Juan
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

JFK → SJU

3 h 55 min

Estimated gate-to-gate scheduled time. Initial heading 161° (SSE).

Leave New York Sat 7 Nov, 10:00 local → arrive San Juan Sat 7 Nov, 14:55 local.

SJU → JFK

4 h 05 min

Estimated gate-to-gate scheduled time. Initial heading 345° (NNW).

Leave San Juan Sat 7 Nov, 10:00 local → arrive New York Sat 7 Nov, 13:05 local.

The two directions differ by 8 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 distance2,578 km · 1,602 mi · 1,392 nmi
Initial heading161° (SSE) from JFK; 345° (NNW) from SJU
Farthest from the equator40.6°N
Crossesneither the equator nor the 180th meridian
Share of the longest possible trip13% of the 20,015 km to the far side of the Earth

Time zones and jet lag

JFKAmerica/New_York — UTC−4 now; UTC−5 standard time, UTC−4 during daylight saving time
SJUAmerica/Puerto_Rico — UTC−4 now; UTC−4 all year (no daylight saving time)
DifferenceSan Juan is on the same clock as New York today; +1 h in January and ±0 h in July because daylight saving time starts and ends on different dates (or not at all).

Jet lag, flying JFK → SJU. No time-zone change, so no jet lag from the clock — only the usual tiredness of travel.

General information, not medical advice.

The two airports

More routes from JFK and SJU

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).