Greenville Spartanburg International ⇄ George Bush Intcntl/Houston GSP–IAH
Airlines flew 1,332 flights between Greenville Spartanburg International GSP in Greer, SC and George Bush Intcntl/Houston IAH in Houston, TX in the twelve months to July 2026, both directions together: 83,284 passengers in 98,060 seats, 85% of them filled. 837 miles, about 126 minutes in the air, on 5 airlines: Mesa Airlines Inc. (1,289), SkyWest Airlines Inc. (40), American Airlines Inc. (1), PSA Airlines Inc. (1) and 1 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 | 60 |
| 2/25 | 84 |
| 3/25 | 71 |
| 4/25 | 106 |
| 5/25 | 122 |
| 6/25 | 115 |
| 7/25 | 113 |
| 8/25 | 108 |
| 9/25 | 104 |
| 10/25 | 117 |
| 11/25 | 112 |
| 12/25 | 111 |
| 1/26 | 97 |
| 2/26 | 89 |
| 3/26 | 111 |
| 4/26 | 120 |
| 5/26 | 121 |
| 6/26 | 120 |
| 7/26 | 122 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 6,059 |
| 2/25 | 7,208 |
| 3/25 | 6,471 |
| 4/25 | 8,418 |
| 5/25 | 8,047 |
| 6/25 | 7,463 |
| 7/25 | 6,977 |
| 8/25 | 6,718 |
| 9/25 | 6,546 |
| 10/25 | 7,808 |
| 11/25 | 6,730 |
| 12/25 | 7,052 |
| 1/26 | 5,853 |
| 2/26 | 5,544 |
| 3/26 | 6,500 |
| 4/26 | 7,100 |
| 5/26 | 7,499 |
| 6/26 | 7,937 |
| 7/26 | 7,997 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Mesa Airlines Inc. YV | 1,289 | 80,461 | 85% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 40 | 2,642 | 87% | scheduled passenger service |
| American Airlines Inc. AA | 1 | 107 | 62% | scheduled passenger service |
| PSA Airlines Inc. OH | 1 | 74 | 97% | scheduled passenger service |
| National Air Cargo Group Inc d/ba National Airlines N8 | 1 | 0 | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,329 | 74 | 83,103 |
| Boeing 737-800 | 1 | 172 | 107 |
| Canadair CRJ 900 | 1 | 76 | 74 |
| Boeing 747-400 | 1 | 0 | 0 |
GSP → IAH this direction alone · flown January 2025 to July 2026
665 flights of 669 scheduled, 42,165 passengers in 49,040 seats. Mesa Airlines Inc. 643; SkyWest Airlines Inc. 20; American Airlines Inc. 1; PSA Airlines Inc. 1.
IAH → GSP this direction alone · flown January 2025 to July 2026
667 flights of 668 scheduled, 41,119 passengers in 49,020 seats. Mesa Airlines Inc. 646; SkyWest Airlines Inc. 20; National Air Cargo Group Inc d/ba National Airlines 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: Greenville Spartanburg International GSP and George Bush Intcntl/Houston IAH; all routes.