WN4013
WN4013 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Sacramento to Portland. Of 597 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 597 flights
- Average delay12.8 min
- July 202648▲ 54.8%vs July 2025
- Cancelled1.3%
- Legs flown under this number30
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 27 | ▲ 800.0% |
| February | 8 | 11 | ▲ 37.5% |
| March | 25 | 33 | ▲ 32.0% |
| April | 29 | 33 | ▲ 13.8% |
| May | 31 | 30 | ▼ 3.2% |
| June | 30 | 48 | ▲ 60.0% |
| July | 31 | 48 | ▲ 54.8% |
| August | 4 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 53 | – | – |
| December | 60 | – | – |
| Year to date (Jan–Jul) | 157 | 230 | ▲ 46.5% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 66.7% | 85.2% | ▲ 27.8% |
| February | 87.5% | 72.7% | ▼ 16.9% |
| March | 45.8% | 45.2% | ▼ 1.5% |
| April | 89.7% | 75.8% | ▼ 15.5% |
| May | 90.3% | 69.0% | ▼ 23.6% |
| June | 80.0% | 70.2% | ▼ 12.2% |
| July | 67.7% | 78.7% | ▲ 16.2% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 80.0% | – | in progress |
| November | 86.3% | – | – |
| December | 70.0% | – | – |
| Year-to-date average (Jan–Jul) | 75.4% | 71.0% | ▼ 5.9% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 5 | ▲ 400.0% |
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 98.7% 589
- Cancelled 1.3% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF PDX Sacramento International Airport – Portland International Airport | 771 | 5.1 min | 83.9% | 63 |
| MSY LAS Louis Armstrong New Orleans International Airport – Harry Reid International Airport | 2,409 | 10.4 min | 73.8% | 61 |
| PDX DEN Portland International Airport – Denver International Airport | 1,592 | 14.8 min | 71.7% | 54 |
| MDW MCI Chicago Midway International Airport – Kansas City International Airport | 650 | -4.6 min | 100.0% | 50 |
| HOU MEM William P. Hobby Airport – Frederick W. Smith International Airport | 780 | 5.1 min | 87.5% | 50 |
| RNO LAS Reno Tahoe International Airport – Harry Reid International Airport | 556 | 18.2 min | 65.9% | 42 |
| MEM LAS Frederick W. Smith International Airport – Harry Reid International Airport | 2,274 | 20.6 min | 67.7% | 34 |
| OAK PHX Oakland San Francisco Bay Airport – Phoenix Sky Harbor International Airport | 1,039 | 12.7 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 85.3% | 0 |
| November 2024 | 17 | 17 | 82.4% | 0 |
| December 2024 | 12 | 12 | 91.7% | 0 |
| January 2025 | 3 | 3 | 66.7% | 0 |
| February 2025 | 8 | 8 | 87.5% | 0 |
| March 2025 | 25 | 24 | 45.8% | 1 |
| April 2025 | 29 | 29 | 89.7% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 30 | 30 | 80.0% | 0 |
| November 2025 | 53 | 51 | 86.3% | 2 |
| December 2025 | 60 | 60 | 70.0% | 0 |
| January 2026 | 27 | 27 | 85.2% | 0 |
| February 2026 | 11 | 11 | 72.7% | 0 |
| March 2026 | 33 | 31 | 45.2% | 2 |
| April 2026 | 33 | 33 | 75.8% | 0 |
| May 2026 | 30 | 29 | 69.0% | 1 |
| June 2026 | 48 | 47 | 70.2% | 1 |
| July 2026 | 48 | 47 | 78.7% | 1 |