WN948
WN948 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Los Angeles to Denver. Of 712 departures recorded from October 2024 to July 2026, 74.2% left on time, according to the US BTS.
- On-time departures74.2%of 712 flights
- Average delay11.9 min
- July 202631▼ 29.5%vs July 2025
- Cancelled0.8%
- Legs flown under this number30
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 35 | 11 | ▼ 68.6% |
| February | 33 | 5 | ▼ 84.8% |
| March | 32 | 31 | ▼ 3.1% |
| April | 21 | 31 | ▲ 47.6% |
| May | 17 | 31 | ▲ 82.4% |
| June | 41 | 30 | ▼ 26.8% |
| July | 44 | 31 | ▼ 29.5% |
| August | 40 | – | – |
| September | 39 | – | – |
| October | 32 | – | in progress |
| November | 48 | – | – |
| December | 59 | – | – |
| Year to date (Jan–Jul) | 223 | 170 | ▼ 23.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 82.4% | 72.7% | ▼ 11.7% |
| February | 81.8% | 60.0% | ▼ 26.7% |
| March | 62.5% | 71.0% | ▲ 13.6% |
| April | 61.9% | 96.8% | ▲ 56.3% |
| May | 87.5% | 90.3% | ▲ 3.2% |
| June | 58.5% | 40.0% | ▼ 31.7% |
| July | 65.9% | 33.3% | ▼ 49.4% |
| August | 75.0% | – | – |
| September | 79.5% | – | – |
| October | 84.4% | – | in progress |
| November | 87.0% | – | – |
| December | 69.5% | – | – |
| Year-to-date average (Jan–Jul) | 71.5% | 66.3% | ▼ 7.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.2% 706
- Cancelled 0.8% 6
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX DEN Los Angeles International Airport – Denver International Airport | 1,385 | 21.9 min | 55.7% | 61 |
| OGG SAN Kahului International Airport – San Diego International Airport | 4,084 | -3.3 min | 94.8% | 58 |
| SAN FAT San Diego International Airport – Fresno Yosemite International Airport | 505 | 31.5 min | 32.1% | 57 |
| HOU JAN William P. Hobby Airport – Jackson-Medgar Wiley Evers International Airport | 578 | 12.3 min | 70.2% | 57 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 7.4 min | 84.9% | 55 |
| LAS ONT Harry Reid International Airport – Ontario International Airport | 317 | 6.8 min | 74.4% | 45 |
| BWI PHX Baltimore/Washington International Thurgood Marshall Airport – Phoenix Sky Harbor International Airport | 3,209 | 5.4 min | 87.9% | 34 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 30.8 min | 51.5% | 33 |
| BWI SAT Baltimore/Washington International Thurgood Marshall Airport – San Antonio International Airport | 2,262 | 5.8 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 37 | 36 | 83.3% | 1 |
| December 2024 | 44 | 44 | 84.1% | 0 |
| January 2025 | 35 | 34 | 82.4% | 1 |
| February 2025 | 33 | 33 | 81.8% | 0 |
| March 2025 | 32 | 32 | 62.5% | 0 |
| April 2025 | 21 | 21 | 61.9% | 0 |
| May 2025 | 17 | 16 | 87.5% | 1 |
| June 2025 | 41 | 41 | 58.5% | 0 |
| July 2025 | 44 | 44 | 65.9% | 0 |
| August 2025 | 40 | 40 | 75.0% | 0 |
| September 2025 | 39 | 39 | 79.5% | 0 |
| October 2025 | 32 | 32 | 84.4% | 0 |
| November 2025 | 48 | 46 | 87.0% | 2 |
| December 2025 | 59 | 59 | 69.5% | 0 |
| January 2026 | 11 | 11 | 72.7% | 0 |
| February 2026 | 5 | 5 | 60.0% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 31 | 31 | 96.8% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 40.0% | 0 |
| July 2026 | 31 | 30 | 33.3% | 1 |