Chicago (MDW) to Jacksonville (JAX) flights
Southwest Airlines flies nonstop from Chicago Midway International Airport to Jacksonville International Airport, with about 13 flights a week in July 2026. The 848-mile flight takes about 2h 11m gate to gate.
- Distance
- 848 mi · 1,365 km
- Flight time
- 2h 11m
- Airlines
- 1
- Seats filled
- 73%
Airlines flying MDW to JAX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 13 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 50,730 | 2h 11m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MDW to JAX flight schedule
4 flight numbers flew this route in August 2026. The first usually leaves at 12:45pm and the last at 6:45pm. 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 368Southwest Airlines | 12:45pm | 4:00pm | 4 | n/a |
| WN 444Southwest Airlines | 1:40pm | 4:55pm | 4 | n/a |
| WN 3126Southwest Airlines | 5:55pm | 9:15pm | 8 | n/a |
| WN 4587Southwest Airlines | 6:45pm | 10:00pm | 12 | 42% |
Is MDW to JAX on time?
From September 2025 to August 2026, 71% of 417 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 10am were the most punctual (89%), those around 7pm the least (53%). Most delay time was caused by late-arriving aircraft (59%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 417 | 71% | 17 min | 1% |
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 | 30 | 87% | |
| 10am to 11am | 36 | 89% | |
| 11am to 12pm | 32 | 74% | |
| 12pm to 1pm | 24 | 75% | |
| 1pm to 2pm | 91 | 81% | |
| 3pm to 4pm | 16 | 94% | |
| 5pm to 6pm | 18 | 61% | |
| 6pm to 7pm | 114 | 54% | |
| 7pm to 8pm | 33 | 53% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 34 | 4,401 | |
| September 2025 | 30 | 3,654 | |
| October 2025 | 31 | 4,074 | |
| November 2025 | 28 | 3,285 | |
| December 2025 | 32 | 3,890 | |
| January 2026 | 27 | 2,987 | |
| February 2026 | 27 | 3,332 | |
| March 2026 | 35 | 4,358 | |
| April 2026 | 32 | 3,102 | |
| May 2026 | 32 | 3,587 | |
| June 2026 | 55 | 7,111 | |
| July 2026 | 57 | 7,056 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.