Greensboro (GSO) to Dulles (IAD)
Flight time
≈ 1h 17m
Bearing
34° NE
Greensboro (GSO) to Dulles (IAD) is 239 miles (385 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies GSO–IAD
Filed traffic dataIn July 2026, CommuteAir operated the most departures, one of 2 carriers flying nonstop GSO–IAD; the Embraer ERJ-145 was the most common aircraft at 99% of departures; flights ran 87% full.
Departures
109
July 2026
Seats
5,476
both directions
Passengers
4,768
both directions
Load factor
87.1%
RPM ÷ ASM
Who flies GSO–IAD?
CommuteAir operated the most nonstop GSO–IAD departures in July 2026 (108), one of 2 carriers on the route.
- C5
108 departures · 5,400 seats
Share of departures99.1%87.2%
Load
- YX
1 departures · 76 seats
Share of departures0.9%75.0%
Load
What plane flies GSO–IAD?
In July 2026, the Embraer ERJ-145 flew 99% of GSO–IAD departures — more than any other aircraft type.
- Embraer ERJ-145
108 departures · 87.2% load
99.1% - Embraer E175
1 departures · 75.0% load
0.9%
How has GSO–IAD traffic changed?
Nonstop GSO–IAD departures fell from 157 in August 2025 to 109 in July 2026.
Monthly nonstop GSO–IAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
157 departures · 6,256 passengers
79.7%
Load
September 2025
140 departures · 5,525 passengers
78.9%
Load
October 2025
126 departures · 5,057 passengers
80.0%
Load
November 2025
106 departures · 4,274 passengers
80.6%
Load
December 2025
120 departures · 4,760 passengers
79.3%
Load
January 2026
106 departures · 3,862 passengers
72.9%
Load
February 2026
104 departures · 4,044 passengers
77.8%
Load
March 2026
116 departures · 4,863 passengers
83.8%
Load
April 2026
146 departures · 5,882 passengers
80.6%
Load
May 2026
151 departures · 5,880 passengers
76.9%
Load
June 2026
111 departures · 4,809 passengers
86.7%
Load
July 2026
109 departures · 4,768 passengers
87.1%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → GSO
86.1% full
55 departures · 2,389 passengers
GSO → IAD
88.1% full
54 departures · 2,379 passengers
Nonstop GSO–IAD traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Greensboro (GSO) from Dulles (IAD)?
GSO to IAD is 239 miles (385 km / 208 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from GSO to IAD?
A nonstop covers the 239-mile great-circle distance in roughly 1h 17m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies GSO–IAD?
In July 2026, the Embraer ERJ-145 flew the largest share of departures (99.1%), followed by the Embraer E175 (0.9%).
What mileage do I earn flying GSO–IAD?
Distance-based programs credit off the 239-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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