Baltimore/Washington International Thurgood Marshall ⇄ Chicago Midway International BWI–MDW
Airlines flew 3,621 flights between Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 442,364 passengers in 591,605 seats, 75% of them filled, and 913,582 pounds of freight. 611 miles, about 97 minutes in the air, on 6 airlines: Southwest Airlines Co. (3,475), Frontier Airlines Inc. (140), Global Crossing Airlines, Inc. (2), Delta Air Lines Inc. (2) and 2 more. 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 | 274 |
| 2/25 | 235 |
| 3/25 | 276 |
| 4/25 | 314 |
| 5/25 | 346 |
| 6/25 | 360 |
| 7/25 | 365 |
| 8/25 | 366 |
| 9/25 | 362 |
| 10/25 | 370 |
| 11/25 | 292 |
| 12/25 | 278 |
| 1/26 | 242 |
| 2/26 | 226 |
| 3/26 | 241 |
| 4/26 | 265 |
| 5/26 | 280 |
| 6/26 | 341 |
| 7/26 | 358 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 25,512 |
| 2/25 | 23,083 |
| 3/25 | 33,221 |
| 4/25 | 39,854 |
| 5/25 | 46,576 |
| 6/25 | 47,907 |
| 7/25 | 48,112 |
| 8/25 | 48,939 |
| 9/25 | 43,977 |
| 10/25 | 46,475 |
| 11/25 | 34,507 |
| 12/25 | 32,682 |
| 1/26 | 22,809 |
| 2/26 | 22,478 |
| 3/26 | 28,416 |
| 4/26 | 31,612 |
| 5/26 | 36,372 |
| 6/26 | 46,395 |
| 7/26 | 47,702 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 3,475 | 422,134 | 75% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 140 | 20,014 | 77% | scheduled passenger service |
| Global Crossing Airlines, Inc. GCA | 2 | 0 | 0% | charter passenger service |
| Delta Air Lines Inc. DL | 2 | 141 | 52% | charter passenger service |
| Jet Aviation Flight Services, Inc. 27Q | 1 | 3 | 19% | charter passenger service |
| United Air Lines Inc. UA | 1 | 72 | 40% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-700/700LR/Max 7 | 1,225 | 140 | 133,294 |
| Boeing B737 Max 800 | 1,213 | 175 | 157,896 |
| Boeing 737-800 | 1,037 | 175 | 130,944 |
| Airbus Industrie A320-200n | 138 | 186 | 19,769 |
| Airbus Industrie A320-100/200 | 4 | 144 | 245 |
| Boeing 757-200 | 2 | 136 | 141 |
| Embraer Legacy 600 | 1 | 16 | 3 |
| Boeing B737 Max 900 | 1 | 179 | 72 |
BWI → MDW this direction alone · flown January 2025 to July 2026
1,802 flights of 1,838 scheduled, 221,813 passengers in 291,610 seats, 512,167 pounds of freight, 75 pounds of mail. Southwest Airlines Co. 1,730; Frontier Airlines Inc. 70; Jet Aviation Flight Services, Inc. 1; Global Crossing Airlines, Inc. 1.
MDW → BWI this direction alone · flown January 2025 to July 2026
1,819 flights of 1,856 scheduled, 220,551 passengers in 299,995 seats, 401,415 pounds of freight. Southwest Airlines Co. 1,745; Frontier Airlines Inc. 70; Delta Air Lines Inc. 2; Global Crossing Airlines, Inc. 1; 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: Baltimore/Washington International Thurgood Marshall BWI and Chicago Midway International MDW; all routes.