WN4602
WN4602 (Southwest Airlines) is a multi-stop service on 11 routes, busiest San Diego to Chicago. Of 193 departures recorded from October 2024 to July 2026, 56.5% left on time, according to the US BTS.
- On-time departures56.5%of 193 flights
- Average delay22.2 min
- July 202617
- Cancelled1.0%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 5 | ▲ 400.0% |
| February | – | 1 | – |
| March | – | 14 | – |
| April | – | 7 | – |
| May | – | 5 | – |
| June | – | 16 | – |
| July | – | 17 | – |
| August | – | – | – |
| September | – | – | – |
| October | 48 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 20.0% | – |
| February | – | 0.0% | – |
| March | – | 78.6% | – |
| April | – | 85.7% | – |
| May | – | 40.0% | – |
| June | – | 73.3% | – |
| July | – | 64.7% | – |
| August | – | – | – |
| September | – | – | – |
| October | 27.1% | – | in progress |
| November | 65.4% | – | – |
| December | 58.6% | – | – |
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 periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 1 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 99.0% 191
- Cancelled 1.0% 2
Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN MDW San Diego International Airport – Chicago Midway International Airport | 2,776 | 22.4 min | 57.6% | 60 |
| PHX LAX Phoenix Sky Harbor International Airport – Los Angeles International Airport | 595 | 18.2 min | 68.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 83.3% | 0 |
| November 2024 | 13 | 13 | 84.6% | 0 |
| December 2024 | 4 | 4 | 75.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| October 2025 | 48 | 48 | 27.1% | 0 |
| November 2025 | 27 | 26 | 65.4% | 1 |
| December 2025 | 29 | 29 | 58.6% | 0 |
| January 2026 | 5 | 5 | 20.0% | 0 |
| February 2026 | 1 | 1 | 0.0% | 0 |
| March 2026 | 14 | 14 | 78.6% | 0 |
| April 2026 | 7 | 7 | 85.7% | 0 |
| May 2026 | 5 | 5 | 40.0% | 0 |
| June 2026 | 16 | 15 | 73.3% | 1 |
| July 2026 | 17 | 17 | 64.7% | 0 |