Kansas City (MCI) to Dulles (IAD) flights
United Airlines, Republic Airline fly nonstop from Kansas City International Airport to Washington Dulles International Airport, with about 13 flights a week in July 2026. The 926-mile flight takes about 2h 28m gate to gate.
- Distance
- 926 mi · 1,490 km
- Flight time
- 2h 28m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying MCI to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Airbus A319, Airbus A320-100/200, Boeing 737 MAX 9 | 8,415 | 2h 25m |
| Republic Airline | 7 | Embraer E175 | 4,634 | 2h 35m |
| Mesa AirlinesSeasonal or ended | n/a | Embraer E175 | 34,145 | 2h 27m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MCI to IAD flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 12:10pm and the last at 5:45pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 1572United Airlines | 12:10pm | 3:40pm | 21 | 81% |
| UA 688United Airlines | 12:30pm | 4:03pm | 10 | 91% |
| UA 3546United Airlines · operated by Republic Airline | 5:39pm | 9:18pm | 21 | 95% |
| UA 3628United Airlines · operated by Republic Airline | 5:45pm | 9:26pm | 10 | 81% |
Is MCI to IAD on time?
From September 2025 to August 2026, 89% of 719 flights arrived within 15 minutes of schedule and 1.8% were cancelled. Flights leaving around 12pm were the most punctual (89%), those around 5pm the least (89%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 719 | 89% | 12 min | 1.8% |
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
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 58 | 3,852 | |
| September 2025 | 58 | 3,909 | |
| October 2025 | 62 | 3,808 | |
| November 2025 | 58 | 3,450 | |
| December 2025 | 62 | 3,693 | |
| January 2026 | 56 | 2,927 | |
| February 2026 | 55 | 3,037 | |
| March 2026 | 60 | 3,599 | |
| April 2026 | 60 | 3,836 | |
| May 2026 | 63 | 4,649 | |
| June 2026 | 62 | 5,363 | |
| July 2026 | 60 | 5,418 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.