Baltimore (BWI) to Milwaukee (MKE) flights
Southwest Airlines flies nonstop from Baltimore/Washington International Thurgood Marshall Airport to General Mitchell International Airport, with about 19 flights a week in July 2026. The 641-mile flight takes about 1h 58m gate to gate.
- Distance
- 641 mi · 1,032 km
- Flight time
- 1h 58m
- Airlines
- 1
- Seats filled
- 69%
Airlines flying BWI to MKE
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 19 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 87,824 | 1h 58m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BWI to MKE flight schedule
7 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 10:55am and the last at 7:55pm. 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 410Southwest Airlines | 10:55am | 11:55am | 28 | 79% |
| WN 450Southwest Airlines | 2:25pm | 3:25pm | 4 | n/a |
| WN 1150Southwest Airlines | 3:00pm | 4:00pm | 12 | 55% |
| WN 2076Southwest Airlines | 7:15pm | 8:15pm | 4 | n/a |
| WN 4579Southwest Airlines | 7:35pm | 8:35pm | 4 | n/a |
| WN 830Southwest Airlines | 7:40pm | 8:40pm | 12 | 50% |
| WN 516Southwest Airlines | 7:55pm | 8:55pm | 8 | n/a |
Is BWI to MKE on time?
From September 2025 to August 2026, 74% of 831 flights arrived within 15 minutes of schedule and 2.2% were cancelled. Flights leaving around 8am were the most punctual (94%), those around 10pm the least (61%). Most delay time was caused by late-arriving aircraft (44%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 831 | 74% | 16 min | 2.2% |
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 |
|---|---|---|---|
| 8am to 9am | 113 | 94% | |
| 9am to 10am | 36 | 83% | |
| 10am to 11am | 138 | 88% | |
| 11am to 12pm | 57 | 75% | |
| 2pm to 3pm | 31 | 83% | |
| 3pm to 4pm | 68 | 70% | |
| 6pm to 7pm | 32 | 39% | |
| 7pm to 8pm | 38 | 55% | |
| 8pm to 9pm | 60 | 67% | |
| 9pm to 10pm | 104 | 70% | |
| 10pm to 11pm | 116 | 61% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 77 | 10,249 | |
| September 2025 | 78 | 8,831 | |
| October 2025 | 89 | 9,541 | |
| November 2025 | 73 | 7,390 | |
| December 2025 | 73 | 7,499 | |
| January 2026 | 40 | 2,917 | |
| February 2026 | 42 | 3,399 | |
| March 2026 | 55 | 5,336 | |
| April 2026 | 59 | 7,014 | |
| May 2026 | 63 | 7,163 | |
| June 2026 | 81 | 9,556 | |
| July 2026 | 84 | 9,071 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.