Dulles (IAD) to Sint Maarten (SXM) flights

United Airlines flies nonstop from Washington Dulles International Airport to Princess Juliana International Airport, with about 7 flights a week in July 2026. The 1,679-mile flight takes about 4h 9m gate to gate.

From
IAD
Dulles
Washington Dulles International Airport
To
SXM
Sint Maarten
Princess Juliana International Airport
Distance
1,679 mi · 2,702 km
Flight time
4h 9m
Airlines
1
Seats filled
79%
Flights a week, July 2026
163 flights and 21,310 passengers in 12 months
SXMSXMIAD
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying IAD to SXM

AirlineFlights a weekAircraftPassengers (12 months)Flight time
United Airlines7Boeing 737 MAX 821,3104h 9m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

Flights by month

MonthFlightsFlights, relativePassengers
August 20259
887
November 20255
690
December 202516
2,220
January 202610
1,195
February 20268
1,049
March 202628
3,672
April 202612
1,409
May 202614
1,899
June 202630
3,960
July 202631
4,329

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.