Greenville Spartanburg International ⇄ University Of Illinois/Willard GSP–CMI
Airlines flew 2 flights between Greenville Spartanburg International GSP in Greer, SC and University Of Illinois/Willard CMI in Champaign/Urbana, IL in the twelve months to July 2026, both directions together: 263 passengers in 331 seats, 79% of them filled. 486 miles, about 74 minutes in the air, on 2 airlines: Southwest Airlines Co. (1), Allegiant Air (1). 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 | |
|---|---|
| 3/26 | 2 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 3/26 | 263 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 1 | 130 | 74% | charter passenger service |
| Allegiant Air G4 | 1 | 133 | 85% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 1 | 175 | 130 |
| Airbus Industrie A319 | 1 | 156 | 133 |
GSP → CMI this direction alone · flown March 2026 to March 2026
1 flights, 130 passengers in 175 seats. Southwest Airlines Co. 1.
CMI → GSP this direction alone · flown March 2026 to March 2026
1 flights, 133 passengers in 156 seats. Allegiant Air 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 University Of Illinois/Willard CMI; all routes.