Baltimore/Washington International Thurgood Marshall ⇄ Denver International BWI–DEN
Airlines flew 5,569 flights between Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 780,818 passengers in 944,243 seats, 83% of them filled, and 2,068,775 pounds of freight. 1,491 miles, about 211 minutes in the air, on 5 airlines: Southwest Airlines Co. (3,746), United Air Lines Inc. (1,730), Frontier Airlines Inc. (86), Atlas Air Inc. (6) and 1 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 | 412 |
| 2/25 | 369 |
| 3/25 | 471 |
| 4/25 | 481 |
| 5/25 | 509 |
| 6/25 | 600 |
| 7/25 | 616 |
| 8/25 | 559 |
| 9/25 | 534 |
| 10/25 | 538 |
| 11/25 | 474 |
| 12/25 | 479 |
| 1/26 | 382 |
| 2/26 | 362 |
| 3/26 | 413 |
| 4/26 | 405 |
| 5/26 | 417 |
| 6/26 | 494 |
| 7/26 | 512 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 56,833 |
| 2/25 | 48,731 |
| 3/25 | 60,931 |
| 4/25 | 64,372 |
| 5/25 | 72,578 |
| 6/25 | 88,259 |
| 7/25 | 89,485 |
| 8/25 | 80,924 |
| 9/25 | 75,265 |
| 10/25 | 75,000 |
| 11/25 | 61,653 |
| 12/25 | 66,701 |
| 1/26 | 50,283 |
| 2/26 | 45,660 |
| 3/26 | 56,132 |
| 4/26 | 54,194 |
| 5/26 | 60,843 |
| 6/26 | 76,223 |
| 7/26 | 77,940 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 3,746 | 511,476 | 81% | scheduled passenger service |
| United Air Lines Inc. UA | 1,730 | 254,854 | 87% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 86 | 14,131 | 85% | scheduled passenger service |
| Atlas Air Inc. 5Y | 6 | 188 | 17% | charter passenger service |
| American Airlines Inc. AA | 1 | 169 | 98% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 800 | 2,310 | 173 | 324,235 |
| Boeing 737-800 | 1,777 | 173 | 256,438 |
| Boeing 737-700/700LR/Max 7 | 626 | 139 | 69,270 |
| Boeing B737 Max 900 | 345 | 179 | 54,232 |
| Boeing 737-900ER | 300 | 179 | 46,637 |
| Airbus Industrie A320-100/200 | 97 | 151 | 13,246 |
| Airbus Industrie A320-200n | 70 | 186 | 11,161 |
| Airbus Industrie A319 | 25 | 126 | 2,829 |
| Airbus Industrie A321-200n | 11 | 236 | 2,195 |
| Boeing 747-400 | 6 | 189 | 188 |
| Airbus Industrie A321Neoxlr | 2 | 230 | 387 |
BWI → DEN this direction alone · flown January 2025 to July 2026
2,781 flights of 2,814 scheduled, 397,285 passengers in 473,423 seats, 1,024,863 pounds of freight, 10,951 pounds of mail. Southwest Airlines Co. 1,866; United Air Lines Inc. 867; Frontier Airlines Inc. 43; Atlas Air Inc. 5.
DEN → BWI this direction alone · flown January 2025 to July 2026
2,788 flights of 2,816 scheduled, 383,533 passengers in 470,820 seats, 1,043,912 pounds of freight, 43,412 pounds of mail. Southwest Airlines Co. 1,880; United Air Lines Inc. 863; Frontier Airlines Inc. 43; Atlas Air Inc. 1; American 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: Baltimore/Washington International Thurgood Marshall BWI and Denver International DEN; all routes.