Dulles (IAD) to Raleigh/Durham (RDU)
Flight time
≈ 1h 15m
Bearing
199° S
Dulles (IAD) to Raleigh/Durham (RDU) is 224 miles (361 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–RDU
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop IAD–RDU; the Boeing 737-900ER was the most common aircraft at 20% of departures; flights ran 71% full.
Departures
251
May 2026
Seats
35,177
both directions
Passengers
24,921
both directions
Load factor
70.8%
RPM ÷ ASM
Who flies IAD–RDU?
United Airlines operated the most nonstop IAD–RDU departures in May 2026 (200), one of 5 carriers on the route.
- UA
200 departures · 31,421 seats
Share of departures79.7%68.9%
Load
- YX
28 departures · 2,128 seats
Share of departures11.2%87.8%
Load
- YV
18 departures · 1,356 seats
Share of departures7.2%91.7%
Load
- G7
4 departures · 200 seats
Share of departures1.6%86.5%
Load
- DL
1 departures · 72 seats
Share of departures0.4%0.0%
Load
What plane flies IAD–RDU?
In May 2026, the Boeing 737-900ER flew 20% of IAD–RDU departures — more than any other aircraft type.
- Boeing 737-900ER
50 departures · 56.9% load
19.9% - Embraer E175
46 departures · 89.3% load
18.3% - Boeing 737-700
46 departures · 82.3% load
18.3% - Boeing 737 MAX 9
39 departures · 65.9% load
15.5% - Airbus A320
26 departures · 77.3% load
10.4% - Airbus A319
17 departures · 84.5% load
6.8% - Boeing 737 MAX 8
14 departures · 70.1% load
5.6% - Boeing 737-800
8 departures · 54.6% load
3.2% - Bombardier CRJ-550
4 departures · 86.5% load
1.6% - Boeing 757-200
1 departures · 0.0% load
0.4%
How has IAD–RDU traffic changed?
Nonstop IAD–RDU departures fell from 287 in June 2025 to 251 in May 2026.
Monthly nonstop IAD–RDU traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
287 departures · 22,965 passengers
82.0%
Load
July 2025
297 departures · 23,420 passengers
76.8%
Load
August 2025
272 departures · 23,096 passengers
75.4%
Load
September 2025
285 departures · 25,017 passengers
67.2%
Load
October 2025
249 departures · 25,558 passengers
77.6%
Load
November 2025
236 departures · 23,394 passengers
71.8%
Load
December 2025
253 departures · 23,701 passengers
76.0%
Load
January 2026
188 departures · 16,766 passengers
66.3%
Load
February 2026
200 departures · 19,099 passengers
68.1%
Load
March 2026
256 departures · 27,123 passengers
77.0%
Load
April 2026
241 departures · 23,177 passengers
70.7%
Load
May 2026
251 departures · 24,921 passengers
70.8%
Load
By direction
Each direction is filed separately — they rarely match.
RDU → IAD
74.2% full
127 departures · 13,266 passengers
IAD → RDU
67.3% full
124 departures · 11,655 passengers
Nonstop IAD–RDU traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Dulles (IAD) from Raleigh/Durham (RDU)?
IAD to RDU is 224 miles (361 km / 195 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to RDU?
A nonstop covers the 224-mile great-circle distance in roughly 1h 15m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–RDU?
In May 2026, the Boeing 737-900ER flew the largest share of departures (19.9%), followed by the Embraer E175 (18.3%).
What mileage do I earn flying IAD–RDU?
Distance-based programs credit off the 224-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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