Airport Comparison
| IAD | SLG | |
|---|---|---|
| Airport Name | Washington Dulles International Airport | Smith Field |
| IATA Code | IAD | SLG |
| ICAO Code | KIAD | KSLG |
| City | Washington | Siloam Springs |
| Country | United States | United States |
| Timezone | America/New_York | America/Chicago |
| Elevation | 312 ft | 1,191 ft |
| Coordinates | 38.900000, -77.500000 | 36.190000, -94.490000 |
Washington (IAD) to Siloam Springs (SLG) Flight Distance
The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Smith Field (SLG) in Siloam Springs, United States is 1,526 kilometers (948 miles / 824 nautical miles). The estimated flight time for this route is approximately 3h, flying west at a heading of 264°.
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 1-hour time difference between the two cities.
Time zone information: When it's 10:11 in Washington, it's 09:11 in Siloam Springs.
The return flight from Siloam Springs (SLG) to Washington (IAD) follows a heading of 74° (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 Washington Dulles International Airport (IAD) and Smith Field (SLG) detail pages, or use our flight duration calculator to compare other routes.