Chicago (MDW) to Denver (DEN) flights
Southwest Airlines flies nonstop from Chicago Midway International Airport to Denver International Airport, with about 51 flights a week in July 2026. The 895-mile flight takes about 2h 32m gate to gate.
- Distance
- 895 mi · 1,440 km
- Flight time
- 2h 32m
- Airlines
- 1
- Seats filled
- 84%
Airlines flying MDW to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 51 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 308,217 | 2h 32m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A320-100/200 | 11,689 | 2h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MDW to DEN flight schedule
12 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 9:20am and the last at 8:50pm. 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 2717Southwest Airlines | 9:20am | 10:55am | 26 | 85% |
| WN 400Southwest Airlines | 9:30am | 11:05am | 4 | n/a |
| WN 271Southwest Airlines | 10:05am | 11:40am | 14 | 86% |
| WN 2718Southwest Airlines | 10:20am | 11:55am | 24 | 63% |
| WN 2719Southwest Airlines | 12:15pm | 1:50pm | 24 | 67% |
| WN 102Southwest Airlines | 2:05pm | 3:35pm | 4 | n/a |
| WN 2721Southwest Airlines | 2:05pm | 3:35pm | 28 | 43% |
| WN 274Southwest Airlines | 3:50pm | 5:20pm | 12 | 25% |
| WN 655Southwest Airlines | 4:25pm | 6:00pm | 12 | 27% |
| WN 4145Southwest Airlines | 7:35pm | 9:10pm | 9 | n/a |
| WN 156Southwest Airlines | 8:15pm | 9:50pm | 16 | 43% |
| WN 155Southwest Airlines | 8:50pm | 10:25pm | 8 | n/a |
Is MDW to DEN on time?
From September 2025 to August 2026, 73% of 2,259 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 5pm the least (54%). Most delay time was caused by late-arriving aircraft (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 2,203 | 73% | 17 min | 1.3% |
| Frontier Airlines | 56 | 70% | 20 min | 1.8% |
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 | 125 | 94% | |
| 6am to 7am | 110 | 89% | |
| 7am to 8am | 110 | 89% | |
| 8am to 9am | 113 | 81% | |
| 9am to 10am | 131 | 86% | |
| 10am to 11am | 193 | 83% | |
| 11am to 12pm | 142 | 78% | |
| 12pm to 1pm | 186 | 82% | |
| 1pm to 2pm | 57 | 79% | |
| 2pm to 3pm | 169 | 63% | |
| 3pm to 4pm | 106 | 61% | |
| 4pm to 5pm | 146 | 57% | |
| 5pm to 6pm | 174 | 54% | |
| 6pm to 7pm | 141 | 55% | |
| 7pm to 8pm | 85 | 67% | |
| 8pm to 9pm | 95 | 74% | |
| 9pm to 10pm | 145 | 60% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 225 | 33,425 | |
| September 2025 | 204 | 29,221 | |
| October 2025 | 213 | 29,831 | |
| November 2025 | 179 | 23,804 | |
| December 2025 | 195 | 27,860 | |
| January 2026 | 160 | 19,820 | |
| February 2026 | 138 | 18,302 | |
| March 2026 | 165 | 23,572 | |
| April 2026 | 159 | 20,750 | |
| May 2026 | 164 | 24,602 | |
| June 2026 | 217 | 33,828 | |
| July 2026 | 228 | 34,891 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.