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
Filed traffic dataIn June 2026, CommuteAir was the only carrier flying nonstop GSP–IAD; the Embraer ERJ-145 was the most common aircraft at 100% of departures; flights ran 88% full.
Departures
170
June 2026
Seats
8,500
both directions
Passengers
7,518
both directions
Load factor
88.4%
RPM ÷ ASM
Who flies GSP–IAD?
CommuteAir was the only carrier to fly nonstop GSP–IAD in June 2026 (170 departures).
- C5
170 departures · 8,500 seats
Share of departures100.0%88.4%
Load
What plane flies GSP–IAD?
In June 2026, the Embraer ERJ-145 flew 100% of GSP–IAD departures.
- Embraer ERJ-145
170 departures · 88.4% load
100.0%
How has GSP–IAD traffic changed?
Nonstop GSP–IAD departures fell from 206 in July 2025 to 170 in June 2026.
Monthly nonstop GSP–IAD traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
177 departures · 7,593 passengers
85.3%
Load
June 2026
170 departures · 7,518 passengers
88.4%
Load
By direction
Each direction is filed separately — they rarely match.
GSP → IAD
86.1% full
85 departures · 3,660 passengers
IAD → GSP
90.8% full
85 departures · 3,858 passengers
Nonstop GSP–IAD traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
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 June 2026, the Embraer ERJ-145 flew the largest share of departures (100.0%).
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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