Denver International ⇄ Chicago Midway International DEN–MDW
Airlines flew 4,443 flights between Denver International DEN in Denver, CO and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 626,655 passengers in 746,479 seats, 84% of them filled, and 1,303,353 pounds of freight. 895 miles, about 113 minutes in the air, on 4 airlines: Southwest Airlines Co. (4,293), Frontier Airlines Inc. (145), Air Canada (3), Delta Air Lines Inc. (2). 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 | 435 |
| 2/25 | 377 |
| 3/25 | 429 |
| 4/25 | 402 |
| 5/25 | 397 |
| 6/25 | 553 |
| 7/25 | 590 |
| 8/25 | 447 |
| 9/25 | 408 |
| 10/25 | 427 |
| 11/25 | 354 |
| 12/25 | 387 |
| 1/26 | 318 |
| 2/26 | 277 |
| 3/26 | 330 |
| 4/26 | 314 |
| 5/26 | 326 |
| 6/26 | 418 |
| 7/26 | 437 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 48,648 |
| 2/25 | 42,635 |
| 3/25 | 52,901 |
| 4/25 | 48,942 |
| 5/25 | 54,150 |
| 6/25 | 76,667 |
| 7/25 | 83,386 |
| 8/25 | 66,288 |
| 9/25 | 58,404 |
| 10/25 | 58,514 |
| 11/25 | 47,526 |
| 12/25 | 53,102 |
| 1/26 | 40,393 |
| 2/26 | 36,009 |
| 3/26 | 47,026 |
| 4/26 | 42,194 |
| 5/26 | 48,119 |
| 6/26 | 63,640 |
| 7/26 | 65,440 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 4,293 | 603,507 | 84% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 145 | 22,878 | 85% | scheduled passenger service |
| Air Canada AC | 3 | 156 | 74% | charter passenger service |
| Delta Air Lines Inc. DL | 2 | 114 | 79% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 800 | 2,016 | 175 | 296,727 |
| Boeing 737-800 | 1,367 | 175 | 197,892 |
| Boeing 737-700/700LR/Max 7 | 910 | 140 | 108,888 |
| Airbus Industrie A320-200n | 141 | 186 | 22,265 |
| Airbus Industrie A320-100/200 | 7 | 136 | 769 |
| Boeing 757-200 | 2 | 72 | 114 |
DEN → MDW this direction alone · flown January 2025 to July 2026
2,193 flights of 2,224 scheduled, 306,586 passengers in 364,594 seats, 360,892 pounds of freight. Southwest Airlines Co. 2,118; Frontier Airlines Inc. 73; Air Canada 2.
MDW → DEN this direction alone · flown January 2025 to July 2026
2,250 flights of 2,270 scheduled, 320,069 passengers in 381,885 seats, 942,461 pounds of freight. Southwest Airlines Co. 2,175; Frontier Airlines Inc. 72; Delta Air Lines Inc. 2; Air Canada 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: Denver International DEN and Chicago Midway International MDW; all routes.