The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Greenville Spartanburg International ⇄ Chicago O'Hare International GSP–ORD

Airlines flew 4,001 flights between Greenville Spartanburg International GSP in Greer, SC and Chicago O'Hare International ORD in Chicago, IL in the twelve months to July 2026, both directions together: 228,599 passengers in 272,528 seats, 84% of them filled, and 3,578 pounds of freight. 577 miles, about 96 minutes in the air, on 10 airlines: Envoy Air (1,562), SkyWest Airlines Inc. (1,144), GoJet Airlines LLC d/b/a United Express (521), Republic Airline (489) and 6 more. Planning to fly it yourself? The weather and winds along this route right now.

4,001
flights, twelve months
GSP-ORD: 1,993 · ORD-GSP: 2,008
228,599
passengers
84% of seats filled
577
miles
about 96 minutes airborne
10
airlines
11 aircraft types

Flights by month both directions

01002002993991/254/257/2510/251/264/263647/26
By month, as a table
flights
1/25187
2/25182
3/25268
4/25284
5/25305
6/25320
7/25333
8/25304
9/25313
10/25398
11/25302
12/25324
1/26276
2/26262
3/26323
4/26395
5/26399
6/26341
7/26364

Passengers by month

05,69911,39817,09722,7961/254/257/2510/251/264/2621,7627/26
By month, as a table
passengers
1/2511,118
2/259,956
3/2515,267
4/2517,542
5/2519,677
6/2519,598
7/2521,796
8/2519,428
9/2518,777
10/2522,796
11/2516,738
12/2517,160
1/2614,278
2/2615,027
3/2619,108
4/2620,470
5/2621,847
6/2621,208
7/2621,762

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Envoy Air MQ1,56291,56683%scheduled passenger service
SkyWest Airlines Inc. OO1,14463,55786%scheduled passenger service
GoJet Airlines LLC d/b/a United Express G752122,24885%scheduled passenger service
Republic Airline YX48931,69685%scheduled passenger service
PSA Airlines Inc. OH18110,75491%scheduled passenger service
American Airlines Inc. AA988,27466%scheduled passenger service
United Air Lines Inc. UA219164%scheduled passenger service
Delta Air Lines Inc. DL231392%scheduled passenger service
Atlas Air Inc. 5Y10charter cargo service
National Air Cargo Group Inc d/ba National Airlines N810charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1752,03075126,847
Bombardier CRJ5509235040,026
Embraer-Emb-1707516541,772
Canadair RJ-7001746510,416
Airbus Industrie A319981288,274
Canadair RJ-200ER /RJ-4401250422
Canadair CRJ 900776338
Boeing 747-400200
Airbus Industrie A320-100/2002150191
Boeing 737-8001160158
Boeing 737-900ER1180155

GSP → ORD this direction alone · flown January 2025 to July 2026

1,993 flights of 2,049 scheduled, 114,986 passengers in 135,611 seats, 1,976 pounds of freight. Envoy Air 776; SkyWest Airlines Inc. 568; GoJet Airlines LLC d/b/a United Express 259; Republic Airline 246; PSA Airlines Inc. 92; American Airlines Inc. 49; Atlas Air Inc. 1; National Air Cargo Group Inc d/ba National Airlines 1; United Air Lines Inc. 1.

ORD → GSP this direction alone · flown January 2025 to July 2026

2,008 flights of 2,065 scheduled, 113,613 passengers in 136,917 seats, 1,602 pounds of freight. Envoy Air 786; SkyWest Airlines Inc. 576; GoJet Airlines LLC d/b/a United Express 262; Republic Airline 243; PSA Airlines Inc. 89; American Airlines Inc. 49; Delta Air Lines Inc. 2; United Air Lines 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: Greenville Spartanburg International GSP and Chicago O'Hare International ORD; all routes.