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 May 2026, CommuteAir operated the most departures, one of 3 carriers flying nonstop GSP–IAD; the Embraer ERJ-145 was the most common aircraft at 80% of departures; flights ran 85% full.
Departures
177
May 2026
Seats
8,902
both directions
Passengers
7,593
both directions
Load factor
85.3%
RPM ÷ ASM
Who flies GSP–IAD?
CommuteAir operated the most nonstop GSP–IAD departures in May 2026 (141), one of 3 carriers on the route.
- C5
141 departures · 7,050 seats
Share of departures79.7%87.1%
Load
- G7
34 departures · 1,700 seats
Share of departures19.2%81.2%
Load
- YX
2 departures · 152 seats
Share of departures1.1%46.1%
Load
What plane flies GSP–IAD?
In May 2026, the Embraer ERJ-145 flew 80% of GSP–IAD departures — more than any other aircraft type.
- Embraer ERJ-145
141 departures · 87.1% load
79.7% - Bombardier CRJ-550
34 departures · 81.2% load
19.2% - Embraer E175
2 departures · 46.1% load
1.1%
How has GSP–IAD traffic changed?
Nonstop GSP–IAD departures fell from 231 in June 2025 to 177 in May 2026.
Monthly nonstop GSP–IAD traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
177 departures · 7,593 passengers
85.3%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → GSP
84.8% full
89 departures · 3,796 passengers
GSP → IAD
85.8% full
88 departures · 3,797 passengers
Nonstop GSP–IAD 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
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 May 2026, the Embraer ERJ-145 flew the largest share of departures (79.7%), followed by the Bombardier CRJ-550 (19.2%).
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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