Washington Dulles International ⇄ Greenville Spartanburg International IAD–GSP
Airlines flew 1,706 flights between Washington Dulles International IAD in Washington, DC and Greenville Spartanburg International GSP in Greer, SC in the twelve months to July 2026, both directions together: 76,221 passengers in 85,985 seats, 89% of them filled, and 3,039 pounds of freight. 384 miles, about 65 minutes in the air, on 8 airlines: CommuteAir LLC dba CommuteAir (1,573), GoJet Airlines LLC d/b/a United Express (112), Mesa Airlines Inc. (12), Republic Airline (3) and 4 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 120 |
| 2/25 | 104 |
| 3/25 | 172 |
| 4/25 | 172 |
| 5/25 | 195 |
| 6/25 | 231 |
| 7/25 | 206 |
| 8/25 | 183 |
| 9/25 | 140 |
| 10/25 | 124 |
| 11/25 | 107 |
| 12/25 | 113 |
| 1/26 | 101 |
| 2/26 | 103 |
| 3/26 | 130 |
| 4/26 | 180 |
| 5/26 | 177 |
| 6/26 | 170 |
| 7/26 | 178 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 4,623 |
| 2/25 | 4,338 |
| 3/25 | 7,166 |
| 4/25 | 7,461 |
| 5/25 | 8,831 |
| 6/25 | 10,224 |
| 7/25 | 9,048 |
| 8/25 | 7,995 |
| 9/25 | 6,577 |
| 10/25 | 5,804 |
| 11/25 | 4,913 |
| 12/25 | 5,114 |
| 1/26 | 4,381 |
| 2/26 | 4,751 |
| 3/26 | 5,843 |
| 4/26 | 7,586 |
| 5/26 | 7,593 |
| 6/26 | 7,518 |
| 7/26 | 8,146 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| CommuteAir LLC dba CommuteAir C5 | 1,573 | 70,303 | 89% | scheduled passenger service |
| GoJet Airlines LLC d/b/a United Express G7 | 112 | 4,479 | 80% | scheduled passenger service |
| Mesa Airlines Inc. YV | 12 | 781 | 89% | scheduled passenger service |
| Republic Airline YX | 3 | 133 | 61% | scheduled passenger service |
| Delta Air Lines Inc. DL | 2 | 268 | 93% | scheduled passenger service |
| United Air Lines Inc. UA | 2 | 196 | 78% | scheduled passenger service |
| CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF | 1 | 0 | 0% | charter passenger service |
| PSA Airlines Inc. OH | 1 | 61 | 94% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer-145 | 1,573 | 50 | 70,303 |
| Bombardier CRJ550 | 112 | 50 | 4,479 |
| Embraer ERJ-175 | 15 | 73 | 914 |
| Airbus Industrie A319 | 2 | 129 | 211 |
| Boeing 737-700/700LR/Max 7 | 1 | 126 | 101 |
| Bombardier Challenger 604/605 | 1 | 30 | 0 |
| Airbus Industrie A320-100/200 | 1 | 157 | 152 |
| Canadair RJ-700 | 1 | 65 | 61 |
IAD → GSP this direction alone · flown January 2025 to July 2026
854 flights of 866 scheduled, 38,284 passengers in 43,191 seats, 3,039 pounds of freight. CommuteAir LLC dba CommuteAir 786; GoJet Airlines LLC d/b/a United Express 56; Mesa Airlines Inc. 6; Delta Air Lines Inc. 2; United Air Lines Inc. 2; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1; Republic Airline 1.
GSP → IAD this direction alone · flown January 2025 to July 2026
852 flights of 869 scheduled, 37,937 passengers in 42,794 seats. CommuteAir LLC dba CommuteAir 787; GoJet Airlines LLC d/b/a United Express 56; Mesa Airlines Inc. 6; Republic Airline 2; PSA Airlines Inc. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Washington Dulles International IAD and Greenville Spartanburg International GSP; all routes.