San Diego International ⇄ Chicago/Rockford International SAN–RFD
Airlines flew 5 flights between San Diego International SAN in San Diego, CA and Chicago/Rockford International RFD in Chicago/Rockford, IL in the twelve months to July 2026, both directions together: 760 passengers in 904 seats, 84% of them filled. 1,667 miles, about 229 minutes in the air, on 3 airlines: United Air Lines Inc. (2), Alaska Airlines Inc. (2), American Airlines Inc. (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 | |
|---|---|
| 8/25 | 1 |
| 9/25 | 2 |
| 2/26 | 1 |
| 5/26 | 1 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 8/25 | 116 |
| 9/25 | 302 |
| 2/26 | 181 |
| 5/26 | 161 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 2 | 342 | 91% | scheduled passenger service |
| Alaska Airlines Inc. AS | 2 | 302 | 85% | charter passenger service |
| American Airlines Inc. AA | 1 | 116 | 67% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 900 | 2 | 178 | 302 |
| Boeing 737-800 | 1 | 172 | 116 |
| Boeing 757-200 | 1 | 176 | 161 |
| Airbus Industrie A321-200n | 1 | 200 | 181 |
SAN → RFD this direction alone · flown August 2025 to May 2026
4 flights of 1 scheduled, 608 passengers in 726 seats. United Air Lines Inc. 2; American Airlines Inc. 1; Alaska Airlines Inc. 1.
RFD → SAN this direction alone · flown September 2025 to September 2025
1 flights, 152 passengers in 178 seats. Alaska 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: San Diego International SAN and Chicago/Rockford International RFD; all routes.