Greenville/Greer/Spartanburg (GSP) to Dulles (IAD)
Flight time
≈ 1h 34m
Bearing
42° NE
Greenville/Greer/Spartanburg (GSP) to Dulles (IAD) is 384 miles (618 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies GSP–IAD
US DOT T-100 · filed dataIn April 2026, CommuteAir operated the most departures, one of 2 carriers flying nonstop GSP–IAD; the Embraer ERJ-145 was the most common aircraft at 74% of departures; flights ran 84% full.
Departures
180
April 2026
Seats
9,000
both directions
Passengers
7,586
both directions
Load factor
84.3%
passengers ÷ seats
Who flies GSP–IAD?
CommuteAir operated the most nonstop GSP–IAD departures in April 2026 (134), one of 2 carriers on the route.
- C5
CommuteAir
134 departures · 6,700 seats
Share of departures74.4%86.1%
Load
- G7
GoJet Airlines
46 departures · 2,300 seats
Share of departures25.6%79.1%
Load
What plane flies GSP–IAD?
In April 2026, the Embraer ERJ-145 flew 74% of GSP–IAD departures — more than any other aircraft type.
- Embraer ERJ-145
134 departures · 86.1% load
74.4% - Bombardier CRJ-550
46 departures · 79.1% load
25.6%
How has GSP–IAD traffic changed?
Nonstop GSP–IAD departures fell from 195 in May 2025 to 180 in April 2026.
Monthly nonstop GSP–IAD traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
195 departures · 8,831 passengers
89.6%
Load
June 2025
231 departures · 10,224 passengers
87.5%
Load
July 2025
206 departures · 9,048 passengers
87.2%
Load
August 2025
183 departures · 7,995 passengers
86.9%
Load
September 2025
140 departures · 6,577 passengers
91.6%
Load
October 2025
124 departures · 5,804 passengers
93.6%
Load
November 2025
107 departures · 4,913 passengers
90.7%
Load
December 2025
113 departures · 5,114 passengers
90.5%
Load
January 2026
101 departures · 4,381 passengers
86.8%
Load
February 2026
103 departures · 4,751 passengers
92.3%
Load
March 2026
130 departures · 5,843 passengers
90.2%
Load
April 2026
180 departures · 7,586 passengers
84.3%
Load
By direction
The DOT files each direction separately — they rarely match.
GSP → IAD
85.5% full
90 departures · 3,847 passengers
IAD → GSP
83.1% full
90 departures · 3,739 passengers
Nonstop GSP–IAD traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Greenville/Greer/Spartanburg
US
Greenville-Spartanburg International Airport
Coordinates
34.90°N, 82.22°W
Hemisphere
N · W
Frequently asked
How far is Greenville/Greer/Spartanburg (GSP) from Dulles (IAD)?
GSP to IAD is 384 miles (618 km / 334 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from GSP to IAD?
A nonstop covers the 384-mile great-circle distance in roughly 1h 34m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies GSP–IAD?
In April 2026, the Embraer ERJ-145 flew the largest share of departures (74.4%), followed by the Bombardier CRJ-550 (25.6%).
What mileage do I earn flying GSP–IAD?
Distance-based programs credit off the 384-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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