WN1515
WN1515 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Dallas to Austin. Of 562 departures recorded from October 2024 to July 2026, 68.9% left on time, according to the US BTS.
- On-time departures68.9%of 562 flights
- Average delay15.5 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.5%
- Legs flown under this number25
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 | 35 | 13 | ▼ 62.9% |
| February | 33 | 19 | ▼ 42.4% |
| March | 30 | 14 | ▼ 53.3% |
| April | 39 | 16 | ▼ 59.0% |
| May | 45 | 18 | ▼ 60.0% |
| June | 31 | 28 | ▼ 9.7% |
| July | 30 | 31 | ▲ 3.3% |
| August | 19 | – | – |
| September | 17 | – | – |
| October | 37 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 243 | 139 | ▼ 42.8% |
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 | 79.4% | 41.7% | ▼ 47.5% |
| February | 87.9% | 26.3% | ▼ 70.1% |
| March | 76.7% | 85.7% | ▲ 11.8% |
| April | 64.1% | 81.3% | ▲ 26.8% |
| May | 77.8% | 44.4% | ▼ 42.9% |
| June | 77.4% | 28.6% | ▼ 63.1% |
| July | 73.3% | 35.5% | ▼ 51.6% |
| August | 89.5% | – | – |
| September | 75.0% | – | – |
| October | 48.7% | – | in progress |
| November | 80.0% | – | – |
| December | 82.4% | – | – |
| Year-to-date average (Jan–Jul) | 76.7% | 49.1% | ▼ 36.0% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.5% 559
- Cancelled 0.5% 3
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL AUS Dallas Love Field – Austin Bergstrom International Airport | 304 | 48.4 min | 32.8% | 61 |
| MDW PNS Chicago Midway International Airport – Pensacola International Airport | 1,259 | 20.0 min | 73.3% | 60 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 2.5 min | 82.8% | 58 |
| DAL STL Dallas Love Field – St. Louis Lambert International Airport | 878 | 10.4 min | 82.1% | 57 |
| BUR OAK Hollywood Burbank/Bob Hope Airport – Oakland San Francisco Bay Airport | 523 | 7.7 min | 80.0% | 40 |
| MDW HOU Chicago Midway International Airport – William P. Hobby Airport | 1,510 | 13.9 min | 78.8% | 33 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 12.4 min | 59.4% | 32 |
| MIA BNA Miami International Airport – Nashville International Airport | 1,299 | 23.0 min | 27.6% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 92.3% | 0 |
| November 2024 | 27 | 27 | 77.8% | 0 |
| December 2024 | 30 | 30 | 93.3% | 0 |
| January 2025 | 35 | 34 | 79.4% | 1 |
| February 2025 | 33 | 33 | 87.9% | 0 |
| March 2025 | 30 | 30 | 76.7% | 0 |
| April 2025 | 39 | 39 | 64.1% | 0 |
| May 2025 | 45 | 45 | 77.8% | 0 |
| June 2025 | 31 | 31 | 77.4% | 0 |
| July 2025 | 30 | 30 | 73.3% | 0 |
| August 2025 | 19 | 19 | 89.5% | 0 |
| September 2025 | 17 | 16 | 75.0% | 1 |
| October 2025 | 37 | 37 | 48.7% | 0 |
| November 2025 | 20 | 20 | 80.0% | 0 |
| December 2025 | 17 | 17 | 82.4% | 0 |
| January 2026 | 13 | 12 | 41.7% | 1 |
| February 2026 | 19 | 19 | 26.3% | 0 |
| March 2026 | 14 | 14 | 85.7% | 0 |
| April 2026 | 16 | 16 | 81.3% | 0 |
| May 2026 | 18 | 18 | 44.4% | 0 |
| June 2026 | 28 | 28 | 28.6% | 0 |
| July 2026 | 31 | 31 | 35.5% | 0 |