WN4600
WN4600 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Salt Lake City to Oakland. Of 461 departures recorded from October 2024 to July 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 461 flights
- Average delay10.4 min
- July 202623▲ 0.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number13
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 | 27 | 27 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 6 | 24 | ▲ 300.0% |
| April | 23 | 29 | ▲ 26.1% |
| May | 31 | 31 | 0.0% |
| June | 22 | 22 | 0.0% |
| July | 23 | 23 | 0.0% |
| August | 2 | – | – |
| September | – | – | – |
| October | 29 | – | in progress |
| November | 14 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 160 | 184 | ▲ 15.0% |
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 | 81.5% | 77.8% | ▼ 4.5% |
| February | 60.7% | 89.3% | ▲ 47.1% |
| March | 66.7% | 91.7% | ▲ 37.5% |
| April | 73.9% | 96.6% | ▲ 30.6% |
| May | 58.1% | 96.8% | ▲ 66.7% |
| June | 61.9% | 22.7% | ▼ 63.3% |
| July | 95.5% | 39.1% | ▼ 59.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 89.7% | – | in progress |
| November | 46.2% | – | – |
| December | 0.0% | – | – |
| Year-to-date average (Jan–Jul) | 71.2% | 73.4% | ▲ 3.2% |
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 | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 100.0% |
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 98.9% 456
- Cancelled 1.1% 5
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC OAK Salt Lake City International Airport – Oakland San Francisco Bay Airport | 945 | 11.3 min | 75.9% | 112 |
| TYS BNA McGhee Tyson Airport – Nashville International Airport | 244 | -3.2 min | 96.6% | 58 |
| MCO PIT Orlando International Airport – Pittsburgh International Airport | 1,345 | 7.9 min | 82.8% | 58 |
| LAS PDX Harry Reid International Airport – Portland International Airport | 1,227 | 16.2 min | 63.8% | 58 |
| SNA SMF John Wayne Orange County International Airport – Sacramento International Airport | 650 | 5.0 min | 82.5% | 43 |
| PHX BNA Phoenix Sky Harbor International Airport – Nashville International Airport | 2,326 | 32.6 min | 26.2% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| November 2024 | 26 | 26 | 76.9% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 27 | 27 | 81.5% | 0 |
| February 2025 | 28 | 28 | 60.7% | 0 |
| March 2025 | 6 | 6 | 66.7% | 0 |
| April 2025 | 23 | 23 | 73.9% | 0 |
| May 2025 | 31 | 31 | 58.1% | 0 |
| June 2025 | 22 | 21 | 61.9% | 1 |
| July 2025 | 23 | 22 | 95.5% | 1 |
| August 2025 | 2 | 1 | 100.0% | 1 |
| October 2025 | 29 | 29 | 89.7% | 0 |
| November 2025 | 14 | 13 | 46.2% | 1 |
| December 2025 | 4 | 3 | 0.0% | 1 |
| January 2026 | 27 | 27 | 77.8% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 24 | 24 | 91.7% | 0 |
| April 2026 | 29 | 29 | 96.6% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 22 | 22 | 22.7% | 0 |
| July 2026 | 23 | 23 | 39.1% | 0 |