Chicago (MDW) to Washington (DCA) flights
Southwest Airlines flies nonstop from Chicago Midway International Airport to Ronald Reagan Washington National Airport, with about 38 flights a week in July 2026. The 601-mile flight takes about 1h 45m gate to gate.
- Distance
- 601 mi · 967 km
- Flight time
- 1h 45m
- Airlines
- 1
- Seats filled
- 65%
Airlines flying MDW to DCA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 38 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 209,368 | 1h 45m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MDW to DCA flight schedule
13 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 5:45am and the last at 9:00pm. 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 3100Southwest Airlines | 5:45am | 8:30am | 12 | 92% |
| WN 2608Southwest Airlines | 6:10am | 8:55am | 28 | 64% |
| WN 3863Southwest Airlines | 8:05am | 11:05am | 4 | n/a |
| WN 1295Southwest Airlines | 8:55am | 11:50am | 24 | 96% |
| WN 120Southwest Airlines | 11:10am | 2:00pm | 8 | n/a |
| WN 745Southwest Airlines | 11:30am | 2:20pm | 4 | n/a |
| WN 820Southwest Airlines | 12:00pm | 2:50pm | 12 | 60% |
| WN 3946Southwest Airlines | 12:50pm | 3:45pm | 8 | n/a |
| WN 2596Southwest Airlines | 2:05pm | 4:55pm | 20 | 63% |
| WN 336Southwest Airlines | 4:15pm | 7:10pm | 8 | n/a |
| WN 1415Southwest Airlines | 5:10pm | 8:05pm | 8 | n/a |
| WN 4931Southwest Airlines | 8:15pm | 11:05pm | 12 | 58% |
| WN 1223Southwest Airlines | 9:00pm | 11:55pm | 16 | 63% |
Is MDW to DCA on time?
From September 2025 to August 2026, 69% of 2,100 flights arrived within 15 minutes of schedule and 2% were cancelled. Flights leaving around 8am were the most punctual (91%), those around 5pm the least (53%). Most delay time was caused by air traffic control and airport congestion (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 2,100 | 69% | 19 min | 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 |
|---|---|---|---|
| 5am to 6am | 102 | 94% | |
| 6am to 7am | 171 | 86% | |
| 7am to 8am | 80 | 94% | |
| 8am to 9am | 190 | 91% | |
| 9am to 10am | 88 | 83% | |
| 10am to 11am | 84 | 83% | |
| 11am to 12pm | 159 | 60% | |
| 12pm to 1pm | 244 | 69% | |
| 1pm to 2pm | 121 | 56% | |
| 2pm to 3pm | 76 | 54% | |
| 3pm to 4pm | 115 | 69% | |
| 4pm to 5pm | 64 | 51% | |
| 5pm to 6pm | 251 | 53% | |
| 6pm to 7pm | 43 | 40% | |
| 8pm to 9pm | 267 | 56% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 179 | 20,507 | |
| September 2025 | 176 | 17,930 | |
| October 2025 | 181 | 20,071 | |
| November 2025 | 159 | 15,087 | |
| December 2025 | 173 | 15,078 | |
| January 2026 | 168 | 10,987 | |
| February 2026 | 155 | 10,819 | |
| March 2026 | 174 | 17,080 | |
| April 2026 | 172 | 18,681 | |
| May 2026 | 176 | 21,485 | |
| June 2026 | 169 | 20,672 | |
| July 2026 | 167 | 20,971 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.