Baltimore (BWI) to Denver (DEN) flights
Southwest Airlines, United Airlines fly nonstop from Baltimore/Washington International Thurgood Marshall Airport to Denver International Airport, with about 57 flights a week in July 2026. The 1,491-mile flight takes about 3h 55m gate to gate.
- Distance
- 1,491 mi · 2,400 km
- Flight time
- 3h 55m
- Airlines
- 2
- Seats filled
- 84%
Airlines flying BWI to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 43 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 259,704 | 3h 53m |
| United Airlines | 14 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737 MAX 9 | 130,432 | 3h 59m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 6,961 | 3h 54m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BWI to DEN flight schedule
13 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 6:30am and the last at 6:00pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 934Southwest Airlines | 6:30am | 8:15am | 28 | 72% |
| WN 208Southwest Airlines | 8:15am | 10:05am | 4 | n/a |
| WN 935Southwest Airlines | 8:25am | 10:20am | 15 | 84% |
| UA 2412United Airlines | 8:30am | 10:28am | 31 | 88% |
| WN 936Southwest Airlines | 10:05am | 11:50am | 19 | 68% |
| WN 4894Southwest Airlines | 11:10am | 12:55pm | 8 | n/a |
| WN 4727Southwest Airlines | 11:35am | 1:20pm | 16 | 69% |
| WN 937Southwest Airlines | 1:10pm | 2:55pm | 30 | 48% |
| WN 4122Southwest Airlines | 2:20pm | 4:10pm | 8 | n/a |
| WN 938Southwest Airlines | 4:10pm | 6:00pm | 25 | 58% |
| UA 365United Airlines | 4:18pm | 6:16pm | 21 | 47% |
| UA 2012United Airlines | 4:23pm | 6:18pm | 10 | 79% |
| WN 939Southwest Airlines | 6:00pm | 7:55pm | 27 | 46% |
Is BWI to DEN on time?
From September 2025 to August 2026, 76% of 2,784 flights arrived within 15 minutes of schedule and 1.4% were cancelled. Flights leaving around 7am were the most punctual (88%), those around 5pm the least (56%). Most delay time was caused by air traffic control and airport congestion (35%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,919 | 72% | 15 min | 1.8% |
| United Airlines | 840 | 85% | 10 min | 0.5% |
| Frontier Airlines | 25 | 72% | 15 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 168 | 82% | |
| 7am to 8am | 234 | 88% | |
| 8am to 9am | 465 | 87% | |
| 9am to 10am | 151 | 86% | |
| 10am to 11am | 201 | 84% | |
| 12pm to 1pm | 101 | 73% | |
| 1pm to 2pm | 134 | 62% | |
| 2pm to 3pm | 123 | 74% | |
| 3pm to 4pm | 154 | 63% | |
| 4pm to 5pm | 485 | 73% | |
| 5pm to 6pm | 151 | 56% | |
| 6pm to 7pm | 143 | 64% | |
| 7pm to 8pm | 85 | 80% | |
| 8pm to 9pm | 97 | 67% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 280 | 40,663 | |
| September 2025 | 268 | 37,890 | |
| October 2025 | 268 | 37,073 | |
| November 2025 | 236 | 31,302 | |
| December 2025 | 239 | 35,457 | |
| January 2026 | 191 | 25,425 | |
| February 2026 | 181 | 23,456 | |
| March 2026 | 204 | 28,293 | |
| April 2026 | 202 | 27,842 | |
| May 2026 | 209 | 31,437 | |
| June 2026 | 246 | 38,754 | |
| July 2026 | 252 | 39,505 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.