Dulles (IAD) to South Bend (SBN) flights

Mesa Airlines, Breeze Airways fly nonstop from Washington Dulles International Airport to South Bend International Airport, with about 8 flights a week in July 2026. The 504-mile flight takes about 1h 49m gate to gate.

From
IAD
Dulles
Washington Dulles International Airport
To
SBN
South Bend
South Bend International Airport
Distance
504 mi · 811 km
Flight time
1h 49m
Airlines
2
Seats filled
61%
Flights a week, July 2026
457 flights and 24,381 passengers in 12 months
SBNSBNIAD
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying IAD to SBN

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Mesa Airlines6Embraer E17511,5571h 49m
Breeze Airways2Airbus A220-300, Embraer E1907,6971h 49m
Republic AirlineSeasonal or endedn/aEmbraer E175, Embraer E1705,1271h 47m

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

IAD to SBN flight schedule

3 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 12:17pm and the last at 7:00pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
UA 4026United Airlines · operated by Mesa Airlines12:17pm2:03pm1888%
UA 4016United Airlines · operated by Mesa Airlines7:00pm8:54pm1081%
UA 4025United Airlines · operated by Mesa Airlines7:00pm8:46pm2171%

Is IAD to SBN on time?

From September 2025 to August 2026, 84% of 384 flights arrived within 15 minutes of schedule and 2.1% were cancelled. Flights leaving around 6pm were the most punctual (86%), those around 7pm the least (71%). Most delay time was caused by late-arriving aircraft (43%).

AirlineFlightsOn timeAverage delayCancelled
United Airlines38484%17 min2.1%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
12pm to 1pm18
89%
5pm to 6pm89
83%
6pm to 7pm245
86%
7pm to 8pm31
71%

Flights by month

MonthFlightsFlights, relativePassengers
August 202540
2,365
September 202539
2,274
October 202541
2,438
November 202536
1,719
December 202540
1,827
January 202640
1,580
February 202636
1,672
March 202636
1,901
April 202639
2,254
May 202639
2,056
June 202638
2,085
July 202637
2,225

Related

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