WN4804
WN4804 (Southwest Airlines) is a multi-stop service on 10 routes, busiest Chicago to Los Angeles. Of 236 departures recorded from October 2024 to July 2026, 68.2% left on time, according to the US BTS.
- On-time departures68.2%of 236 flights
- Average delay18.3 min
- July 202617▲ 325.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 26 | ▼ 16.1% |
| February | 28 | 28 | 0.0% |
| March | 5 | 4 | ▼ 20.0% |
| April | – | – | – |
| May | – | – | – |
| June | 4 | 16 | ▲ 300.0% |
| July | 4 | 17 | ▲ 325.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 67.7% | 76.9% | ▲ 13.6% |
| February | 64.3% | 96.4% | ▲ 50.0% |
| March | 100.0% | 100.0% | 0.0% |
| April | – | – | – |
| May | – | – | – |
| June | 100.0% | 18.8% | ▼ 81.3% |
| July | 100.0% | 41.2% | ▼ 58.8% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0.0% | – | – |
| December | 100.0% | – | – |
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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | – | – |
| May | – | – | – |
| 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% 236
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW LAX Chicago Midway International Airport – Los Angeles International Airport | 2,812 | 17.3 min | 65.3% | 121 |
| MCO ORD Orlando International Airport – Chicago O'Hare International Airport | 1,620 | 3.2 min | 87.9% | 58 |
| PHX PIT Phoenix Sky Harbor International Airport – Pittsburgh International Airport | 2,912 | 57.7 min | 30.3% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 27 | 27 | 74.1% | 0 |
| December 2024 | 32 | 32 | 53.1% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 28 | 28 | 64.3% | 0 |
| March 2025 | 5 | 5 | 100.0% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| July 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 2 | 2 | 0.0% | 0 |
| December 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 26 | 26 | 76.9% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| June 2026 | 16 | 16 | 18.8% | 0 |
| July 2026 | 17 | 17 | 41.2% | 0 |