WN157
WN157 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Oakland to Denver. Of 619 departures recorded from October 2024 to June 2026, 83.0% left on time, according to the US BTS.
- On-time departures83.0%of 619 flights
- Average delay9.2 min
- June 20263▼ 90.0%vs June 2025
- Cancelled0.5%
- Legs flown under this number33
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 31 | ▲ 3.3% |
| February | 28 | 28 | 0.0% |
| March | 31 | 35 | ▲ 12.9% |
| April | 31 | 31 | 0.0% |
| May | 35 | 33 | ▼ 5.7% |
| June | 30 | 3 | ▼ 90.0% |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jun) | 185 | 161 | ▼ 13.0% |
according to the US BTS · October 2024 → June 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 89.3% | 90.3% | ▲ 1.2% |
| February | 92.9% | 85.2% | ▼ 8.3% |
| March | 90.3% | 82.9% | ▼ 8.3% |
| April | 74.2% | 93.6% | ▲ 26.1% |
| May | 42.9% | 87.9% | ▲ 105.0% |
| June | 66.7% | 100.0% | ▲ 50.0% |
| July | 80.7% | – | – |
| August | 90.3% | – | – |
| September | 96.7% | – | – |
| October | 67.7% | – | in progress |
| November | 76.7% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jun) | 76.0% | 90.0% | ▲ 18.3% |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jun) | 2 | 1 | ▼ 50.0% |
according to the US BTS · October 2024 → June 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 99.5% 616
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 3, 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 |
|---|---|---|---|---|
| OAK DEN Oakland San Francisco Bay Airport – Denver International Airport | 1,537 | 0.1 min | 97.8% | 91 |
| JAX STL Jacksonville International Airport – St. Louis Lambert International Airport | 1,213 | 27.3 min | 70.5% | 61 |
| LGB SJC Long Beach International Airport – Mineta San Jose International Airport | 522 | -2.1 min | 91.2% | 57 |
| PHX SAN Phoenix Sky Harbor International Airport – San Diego International Airport | 489 | 5.3 min | 85.1% | 47 |
| IND PHX Indianapolis International Airport – Phoenix Sky Harbor International Airport | 2,390 | 23.2 min | 71.7% | 46 |
| SAT BNA San Antonio International Airport – Nashville International Airport | 1,322 | -0.4 min | 97.6% | 42 |
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 24.1 min | 59.4% | 32 |
| STL PHX St. Louis Lambert International Airport – Phoenix Sky Harbor International Airport | 2,026 | 10.7 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 26 | 26 | 84.6% | 0 |
| November 2024 | 31 | 31 | 100.0% | 0 |
| December 2024 | 32 | 32 | 100.0% | 0 |
| January 2025 | 30 | 28 | 89.3% | 2 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 31 | 31 | 74.2% | 0 |
| May 2025 | 35 | 35 | 42.9% | 0 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 67.7% | 0 |
| November 2025 | 30 | 30 | 76.7% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 27 | 85.2% | 1 |
| March 2026 | 35 | 35 | 82.9% | 0 |
| April 2026 | 31 | 31 | 93.6% | 0 |
| May 2026 | 33 | 33 | 87.9% | 0 |
| June 2026 | 3 | 3 | 100.0% | 0 |