Detroit (DTW) to Greenville/Greer/Spartanburg (GSP)
Flight time
≈ 1h 49m
Bearing
173° S
Detroit (DTW) to Greenville/Greer/Spartanburg (GSP) is 509 miles (820 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DTW–GSP
US DOT T-100 · filed dataIn April 2026, Endeavor Air operated the most departures, one of 2 carriers flying nonstop DTW–GSP; the Bombardier CRJ-900 was the most common aircraft at 55% of departures; flights ran 80% full.
Departures
120
April 2026
Seats
10,873
both directions
Passengers
8,681
both directions
Load factor
79.8%
passengers ÷ seats
Who flies DTW–GSP?
Endeavor Air operated the most nonstop DTW–GSP departures in April 2026 (68), one of 2 carriers on the route.
- 9E
Endeavor Air
68 departures · 5,154 seats
Share of departures56.7%75.2%
Load
- DL
Delta Air Lines
52 departures · 5,719 seats
Share of departures43.3%84.0%
Load
What plane flies DTW–GSP?
In April 2026, the Bombardier CRJ-900 flew 55% of DTW–GSP departures — more than any other aircraft type.
- Bombardier CRJ-900
66 departures · 75.1% load
55.0% - Boeing 717-200
52 departures · 84.0% load
43.3% - Bombardier CRJ-700
2 departures · 79.0% load
1.7%
How has DTW–GSP traffic changed?
Nonstop DTW–GSP departures fell from 163 in May 2025 to 120 in April 2026.
Monthly nonstop DTW–GSP traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
163 departures · 11,432 passengers
81.7%
Load
June 2025
162 departures · 11,900 passengers
85.8%
Load
July 2025
159 departures · 11,659 passengers
84.4%
Load
August 2025
164 departures · 11,767 passengers
81.7%
Load
September 2025
154 departures · 11,163 passengers
82.0%
Load
October 2025
167 departures · 13,047 passengers
88.3%
Load
November 2025
146 departures · 9,621 passengers
76.0%
Load
December 2025
149 departures · 9,796 passengers
74.7%
Load
January 2026
104 departures · 6,286 passengers
67.4%
Load
February 2026
106 departures · 6,820 passengers
68.9%
Load
March 2026
123 departures · 8,879 passengers
79.6%
Load
April 2026
120 departures · 8,681 passengers
79.8%
Load
By direction
The DOT files each direction separately — they rarely match.
DTW → GSP
77.5% full
60 departures · 4,211 passengers
GSP → DTW
82.2% full
60 departures · 4,470 passengers
Nonstop DTW–GSP 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 Detroit (DTW) from Greenville/Greer/Spartanburg (GSP)?
DTW to GSP is 509 miles (820 km / 443 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DTW to GSP?
A nonstop covers the 509-mile great-circle distance in roughly 1h 49m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DTW–GSP?
In April 2026, the Bombardier CRJ-900 flew the largest share of departures (55.0%), followed by the Boeing 717-200 (43.3%).
What mileage do I earn flying DTW–GSP?
Distance-based programs credit off the 509-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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