San Antonio International ⇄ Chicago Midway International SAT–MDW
Airlines flew 1,311 flights between San Antonio International SAT in San Antonio, TX and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 164,359 passengers in 218,492 seats, 75% of them filled, and 168,160 pounds of freight. 1,036 miles, about 135 minutes in the air, on 2 airlines: Southwest Airlines Co. (1,308), Delta Air Lines Inc. (3). 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 | 116 |
| 2/25 | 104 |
| 3/25 | 121 |
| 4/25 | 119 |
| 5/25 | 123 |
| 6/25 | 143 |
| 7/25 | 146 |
| 8/25 | 120 |
| 9/25 | 113 |
| 10/25 | 124 |
| 11/25 | 111 |
| 12/25 | 120 |
| 1/26 | 72 |
| 2/26 | 56 |
| 3/26 | 111 |
| 4/26 | 119 |
| 5/26 | 125 |
| 6/26 | 118 |
| 7/26 | 122 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 11,217 |
| 2/25 | 10,153 |
| 3/25 | 14,373 |
| 4/25 | 13,651 |
| 5/25 | 14,895 |
| 6/25 | 16,689 |
| 7/25 | 17,338 |
| 8/25 | 14,627 |
| 9/25 | 13,917 |
| 10/25 | 16,673 |
| 11/25 | 12,773 |
| 12/25 | 14,578 |
| 1/26 | 8,005 |
| 2/26 | 6,749 |
| 3/26 | 14,906 |
| 4/26 | 13,851 |
| 5/26 | 15,338 |
| 6/26 | 15,910 |
| 7/26 | 17,032 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 1,308 | 164,227 | 75% | scheduled passenger service |
| Delta Air Lines Inc. DL | 3 | 132 | 61% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 800 | 569 | 175 | 73,994 |
| Boeing 737-800 | 443 | 175 | 56,486 |
| Boeing 737-700/700LR/Max 7 | 296 | 139 | 33,747 |
| Boeing 757-200 | 3 | 72 | 132 |
SAT → MDW this direction alone · flown January 2025 to July 2026
657 flights of 661 scheduled, 87,272 passengers in 109,663 seats, 26,469 pounds of freight. Southwest Airlines Co. 655; Delta Air Lines Inc. 2.
MDW → SAT this direction alone · flown January 2025 to July 2026
654 flights of 661 scheduled, 77,087 passengers in 108,829 seats, 141,691 pounds of freight. Southwest Airlines Co. 653; Delta 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: San Antonio International SAT and Chicago Midway International MDW; all routes.