WN4595
WN4595 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Dallas to Chicago. Of 302 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 302 flights
- Average delay15.1 min
- July 202614▲ 250.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 29 | ▲ 866.7% |
| February | – | 35 | – |
| March | 4 | 32 | ▲ 700.0% |
| April | 21 | 14 | ▼ 33.3% |
| May | 27 | 8 | ▼ 70.4% |
| June | 7 | 13 | ▲ 85.7% |
| July | 4 | 14 | ▲ 250.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 26 | – | – |
| December | 22 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 33.3% | 79.3% | ▲ 138.0% |
| February | – | 94.3% | – |
| March | 75.0% | 93.8% | ▲ 25.0% |
| April | 66.7% | 92.9% | ▲ 39.3% |
| May | 51.9% | 62.5% | ▲ 20.5% |
| June | 71.4% | 38.5% | ▼ 46.2% |
| July | 100.0% | 35.7% | ▼ 64.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 57.7% | – | – |
| December | 81.8% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 100.0% 302
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL ORD Dallas Love Field – Chicago O'Hare International Airport | 1,285 | 5.4 min | 86.2% | 58 |
| LAS FAT Harry Reid International Airport – Fresno Yosemite International Airport | 416 | 22.0 min | 56.0% | 50 |
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 33.9 min | 65.2% | 46 |
| SAN OAK San Diego International Airport – Oakland San Francisco Bay Airport | 718 | 0.5 min | 97.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 100.0% | 0 |
| November 2024 | 28 | 28 | 71.4% | 0 |
| December 2024 | 10 | 10 | 70.0% | 0 |
| January 2025 | 3 | 3 | 33.3% | 0 |
| March 2025 | 4 | 4 | 75.0% | 0 |
| April 2025 | 21 | 21 | 66.7% | 0 |
| May 2025 | 27 | 27 | 51.9% | 0 |
| June 2025 | 7 | 7 | 71.4% | 0 |
| July 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 26 | 26 | 57.7% | 0 |
| December 2025 | 22 | 22 | 81.8% | 0 |
| January 2026 | 29 | 29 | 79.3% | 0 |
| February 2026 | 35 | 35 | 94.3% | 0 |
| March 2026 | 32 | 32 | 93.8% | 0 |
| April 2026 | 14 | 14 | 92.9% | 0 |
| May 2026 | 8 | 8 | 62.5% | 0 |
| June 2026 | 13 | 13 | 38.5% | 0 |
| July 2026 | 14 | 14 | 35.7% | 0 |