The flight distance from Watertown Regional Airport (ATY) in Watertown, United States to San Francisco International Airport (SFO) in San Francisco, United States is 2,248 kilometers (1,397 miles / 1,214 nautical miles). The estimated flight time for this route is approximately 4h, flying west southwest at a heading of 258°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.

Time zone information: When it's 20:23 in Watertown, it's 18:23 in San Francisco.

There is a significant elevation difference of 1,736 feet between the two airports. San Francisco International Airport sits lower than Watertown Regional Airport.

The return flight from San Francisco (SFO) to Watertown (ATY) follows a heading of 61° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Watertown Regional Airport (ATY) and San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.