San Diego International ⇄ St. Louis Downtown SAN–CPS
Airlines flew 3 flights between San Diego International SAN in San Diego, CA and St. Louis Downtown CPS in Cahokia/St Louis, IL in the twelve months to July 2026, both directions together: 178 passengers in 444 seats, 40% of them filled. 1,567 miles, about 185 minutes in the air, on 2 airlines: Sun Country Airlines d/b/a MN Airlines (2), Delta Air Lines 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 | |
|---|---|
| 7/25 | 2 |
| 2/26 | 1 |
| 3/26 | 1 |
| 5/26 | 1 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 7/25 | 128 |
| 2/26 | 56 |
| 3/26 | 57 |
| 5/26 | 65 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Sun Country Airlines d/b/a MN Airlines SY | 2 | 113 | 30% | charter passenger service |
| Delta Air Lines Inc. DL | 1 | 65 | 90% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 2 | 186 | 113 |
| Boeing 757-200 | 1 | 72 | 65 |
SAN → CPS this direction alone · flown March 2026 to March 2026
1 flights, 57 passengers in 186 seats. Sun Country Airlines d/b/a MN Airlines 1.
CPS → SAN this direction alone · flown July 2025 to May 2026
2 flights, 121 passengers in 258 seats. Delta Air Lines Inc. 1; Sun Country Airlines d/b/a MN 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: San Diego International SAN and St. Louis Downtown CPS; all routes.