WN4850
WN4850 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Santa Ana to Phoenix. Of 329 departures recorded from October 2024 to July 2026, 68.9% left on time, according to the US BTS.
- On-time departures68.9%of 329 flights
- Average delay14.6 min
- July 202633▲ 10.0%vs July 2025
- Cancelled3.3%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 16 | ▼ 36.0% |
| February | 28 | 31 | ▲ 10.7% |
| March | 32 | 3 | ▼ 90.6% |
| April | 7 | – | – |
| May | – | – | – |
| June | 26 | 31 | ▲ 19.2% |
| July | 30 | 33 | ▲ 10.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 3 | – | – |
| December | 9 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.0% | 64.3% | ▼ 33.0% |
| February | 88.9% | 58.6% | ▼ 34.1% |
| March | 75.0% | 0.0% | ▼ 100.0% |
| April | 28.6% | – | – |
| May | – | – | – |
| June | 48.0% | 93.1% | ▲ 94.0% |
| July | 40.0% | 77.4% | ▲ 93.6% |
| August | 25.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 66.7% | – | – |
| December | 44.4% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | – | – | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 0 | 2 | – |
| 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 96.7% 318
- Cancelled 3.3% 11
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SNA PHX John Wayne Orange County International Airport – Phoenix Sky Harbor International Airport | 544 | 2.1 min | 84.6% | 93 |
| LAS SFO Harry Reid International Airport – San Francisco International Airport | 665 | 30.4 min | 42.4% | 60 |
| SJC LAX Mineta San Jose International Airport – Los Angeles International Airport | 496 | 0.6 min | 91.1% | 49 |
| DEN LAX Denver International Airport – Los Angeles International Airport | 1,385 | 20.8 min | 60.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 70.0% | 0 |
| November 2024 | 23 | 23 | 82.6% | 0 |
| December 2024 | 18 | 17 | 64.7% | 1 |
| January 2025 | 25 | 25 | 96.0% | 0 |
| February 2025 | 28 | 27 | 88.9% | 1 |
| March 2025 | 32 | 32 | 75.0% | 0 |
| April 2025 | 7 | 7 | 28.6% | 0 |
| June 2025 | 26 | 25 | 48.0% | 1 |
| July 2025 | 30 | 30 | 40.0% | 0 |
| August 2025 | 4 | 4 | 25.0% | 0 |
| November 2025 | 3 | 3 | 66.7% | 0 |
| December 2025 | 9 | 9 | 44.4% | 0 |
| January 2026 | 16 | 14 | 64.3% | 2 |
| February 2026 | 31 | 29 | 58.6% | 2 |
| March 2026 | 3 | 3 | 0.0% | 0 |
| June 2026 | 31 | 29 | 93.1% | 2 |
| July 2026 | 33 | 31 | 77.4% | 2 |