WN1315
WN1315 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Seattle to Las Vegas. Of 707 departures recorded from October 2024 to July 2026, 69.1% left on time, according to the US BTS.
- On-time departures69.1%of 707 flights
- Average delay17.3 min
- July 202628▼ 34.9%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 | 28 | 29 | ▲ 3.6% |
| February | 26 | 28 | ▲ 7.7% |
| March | 37 | 31 | ▼ 16.2% |
| April | 35 | 53 | ▲ 51.4% |
| May | 35 | 65 | ▲ 85.7% |
| June | 42 | 28 | ▼ 33.3% |
| July | 43 | 28 | ▼ 34.9% |
| August | 25 | – | – |
| September | 22 | – | – |
| October | 27 | – | in progress |
| November | 19 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 246 | 262 | ▲ 6.5% |
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 | 85.7% | 96.3% | ▲ 12.4% |
| February | 92.3% | 96.4% | ▲ 4.5% |
| March | 59.5% | 41.4% | ▼ 30.4% |
| April | 79.4% | 73.6% | ▼ 7.3% |
| May | 90.9% | 67.7% | ▼ 25.5% |
| June | 28.6% | 67.9% | ▲ 137.5% |
| July | 20.9% | 67.9% | ▲ 224.2% |
| August | 60.0% | – | – |
| September | 63.6% | – | – |
| October | 88.9% | – | in progress |
| November | 68.4% | – | – |
| December | 93.3% | – | – |
| Year-to-date average (Jan–Jul) | 65.3% | 73.0% | ▲ 11.8% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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% 700
- Cancelled 1.0% 7
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| SEA LAS Seattle–Tacoma International Airport – Harry Reid International Airport | 1,395 | 46.0 min | 24.6% | 61 |
| DCA CMH Ronald Reagan Washington National Airport – John Glenn Columbus International Airport | 519 | 11.3 min | 82.8% | 58 |
| DAL SAN Dallas Love Field – San Diego International Airport | 1,899 | -0.1 min | 96.4% | 58 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 4.8 min | 87.0% | 57 |
| ONT BNA Ontario International Airport – Nashville International Airport | 2,811 | 11.6 min | 74.5% | 51 |
| SJC ONT Mineta San Jose International Airport – Ontario International Airport | 536 | 9.9 min | 69.1% | 42 |
| MCI RSW Kansas City International Airport – Southwest Florida International Airport | 1,861 | 23.2 min | 54.6% | 33 |
| HOU MCO William P. Hobby Airport – Orlando International Airport | 1,364 | 30.8 min | 40.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 63.3% | 0 |
| November 2024 | 31 | 31 | 74.2% | 0 |
| December 2024 | 30 | 30 | 93.3% | 0 |
| January 2025 | 28 | 28 | 85.7% | 0 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 37 | 37 | 59.5% | 0 |
| April 2025 | 35 | 34 | 79.4% | 1 |
| May 2025 | 35 | 33 | 90.9% | 2 |
| June 2025 | 42 | 42 | 28.6% | 0 |
| July 2025 | 43 | 43 | 20.9% | 0 |
| August 2025 | 25 | 25 | 60.0% | 0 |
| September 2025 | 22 | 22 | 63.6% | 0 |
| October 2025 | 27 | 27 | 88.9% | 0 |
| November 2025 | 19 | 19 | 68.4% | 0 |
| December 2025 | 15 | 15 | 93.3% | 0 |
| January 2026 | 29 | 27 | 96.3% | 2 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 29 | 41.4% | 2 |
| April 2026 | 53 | 53 | 73.6% | 0 |
| May 2026 | 65 | 65 | 67.7% | 0 |
| June 2026 | 28 | 28 | 67.9% | 0 |
| July 2026 | 28 | 28 | 67.9% | 0 |