The flight distance from Miami International Airport (MIA) in Miami, United States to Fort Smith Airport (YSM) in Fort Smith, Canada is 4,508 kilometers (2,801 miles / 2,434 nautical miles). The estimated flight time for this route is approximately 6h, flying north northwest at a heading of 336°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 12:17 in Miami, it's 10:17 in Fort Smith.

The return flight from Fort Smith (YSM) to Miami (MIA) follows a heading of 133° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Miami International Airport (MIA) and Fort Smith Airport (YSM) detail pages, or use our flight duration calculator to compare other routes.