WN4008
WN4008 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Reno to Burbank. Of 520 departures recorded from October 2024 to July 2026, 79.2% left on time, according to the US BTS.
- On-time departures79.2%of 520 flights
- Average delay11.5 min
- July 202620▼ 53.5%vs July 2025
- Cancelled1.0%
- Legs flown under this number36
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 8 | ▼ 33.3% |
| February | 13 | 8 | ▼ 38.5% |
| March | 25 | 52 | ▲ 108.0% |
| April | 18 | 36 | ▲ 100.0% |
| May | 13 | 31 | ▲ 138.5% |
| June | 42 | 22 | ▼ 47.6% |
| July | 43 | 20 | ▼ 53.5% |
| August | 26 | – | – |
| September | 22 | – | – |
| October | 42 | – | in progress |
| November | 6 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 166 | 177 | ▲ 6.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 91.7% | 75.0% | ▼ 18.2% |
| February | 100.0% | 62.5% | ▼ 37.5% |
| March | 92.0% | 73.5% | ▼ 20.1% |
| April | 94.4% | 100.0% | ▲ 5.9% |
| May | 61.5% | 90.3% | ▲ 46.8% |
| June | 78.6% | 59.1% | ▼ 24.8% |
| July | 73.8% | 40.0% | ▼ 45.8% |
| August | 84.6% | – | – |
| September | 72.7% | – | – |
| October | 69.1% | – | in progress |
| November | 83.3% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 84.6% | 71.5% | ▼ 15.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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% 515
- Cancelled 1.0% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| RNO BUR Reno Tahoe International Airport – Hollywood Burbank/Bob Hope Airport | 602 | 3.0 min | 94.8% | 58 |
| STL PHX St. Louis Lambert International Airport – Phoenix Sky Harbor International Airport | 2,026 | 12.5 min | 78.6% | 42 |
| DAL SAT Dallas Love Field – San Antonio International Airport | 399 | 15.5 min | 72.7% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 20 | 20 | 90.0% | 0 |
| December 2024 | 30 | 30 | 80.0% | 0 |
| January 2025 | 12 | 12 | 91.7% | 0 |
| February 2025 | 13 | 12 | 100.0% | 1 |
| March 2025 | 25 | 25 | 92.0% | 0 |
| April 2025 | 18 | 18 | 94.4% | 0 |
| May 2025 | 13 | 13 | 61.5% | 0 |
| June 2025 | 42 | 42 | 78.6% | 0 |
| July 2025 | 43 | 42 | 73.8% | 1 |
| August 2025 | 26 | 26 | 84.6% | 0 |
| September 2025 | 22 | 22 | 72.7% | 0 |
| October 2025 | 42 | 42 | 69.1% | 0 |
| November 2025 | 6 | 6 | 83.3% | 0 |
| December 2025 | 11 | 11 | 81.8% | 0 |
| January 2026 | 8 | 8 | 75.0% | 0 |
| February 2026 | 8 | 8 | 62.5% | 0 |
| March 2026 | 52 | 49 | 73.5% | 3 |
| April 2026 | 36 | 36 | 100.0% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 22 | 22 | 59.1% | 0 |
| July 2026 | 20 | 20 | 40.0% | 0 |