WN1015
WN1015 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Austin to Denver. Of 693 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 693 flights
- Average delay12.6 min
- July 202645▲ 25.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number34
according to the US BTS · Oct 13, 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 | 33 | 49 | ▲ 48.5% |
| February | 26 | 34 | ▲ 30.8% |
| March | 30 | 25 | ▼ 16.7% |
| April | 30 | 25 | ▼ 16.7% |
| May | 31 | 26 | ▼ 16.1% |
| June | 34 | 42 | ▲ 23.5% |
| July | 36 | 45 | ▲ 25.0% |
| August | 21 | – | – |
| September | 17 | – | – |
| October | 27 | – | in progress |
| November | 37 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 220 | 246 | ▲ 11.8% |
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 | 81.8% | 75.0% | ▼ 8.3% |
| February | 92.3% | 72.7% | ▼ 21.2% |
| March | 93.3% | 72.0% | ▼ 22.9% |
| April | 83.3% | 80.0% | ▼ 4.0% |
| May | 93.6% | 69.2% | ▼ 26.0% |
| June | 85.3% | 47.6% | ▼ 44.2% |
| July | 83.3% | 53.5% | ▼ 35.8% |
| August | 76.2% | – | – |
| September | 76.5% | – | – |
| October | 96.3% | – | in progress |
| November | 67.6% | – | – |
| December | 69.7% | – | – |
| Year-to-date average (Jan–Jul) | 87.6% | 67.2% | ▼ 23.3% |
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 | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 99.4% 689
- Cancelled 0.6% 4
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS DEN Austin Bergstrom International Airport – Denver International Airport | 1,249 | -1.5 min | 96.0% | 75 |
| DEN SMF Denver International Airport – Sacramento International Airport | 1,460 | 2.8 min | 90.5% | 63 |
| SJC DEN Mineta San Jose International Airport – Denver International Airport | 1,522 | 4.8 min | 85.3% | 61 |
| BWI MKE Baltimore/Washington International Thurgood Marshall Airport – General Mitchell International Airport | 1,030 | 35.1 min | 50.0% | 57 |
| BWI RSW Baltimore/Washington International Thurgood Marshall Airport – Southwest Florida International Airport | 1,483 | 13.5 min | 79.3% | 55 |
| BUR SMF Hollywood Burbank/Bob Hope Airport – Sacramento International Airport | 577 | 12.0 min | 71.4% | 49 |
| TPA CMH Tampa International Airport – John Glenn Columbus International Airport | 1,337 | 13.2 min | 78.3% | 46 |
| ATL DCA Hartsfield Jackson Atlanta International Airport – Ronald Reagan Washington National Airport | 880 | 12.1 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 90.9% | 0 |
| November 2024 | 44 | 44 | 70.5% | 0 |
| December 2024 | 37 | 37 | 91.9% | 0 |
| January 2025 | 33 | 33 | 81.8% | 0 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 30 | 30 | 93.3% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 34 | 34 | 85.3% | 0 |
| July 2025 | 36 | 36 | 83.3% | 0 |
| August 2025 | 21 | 21 | 76.2% | 0 |
| September 2025 | 17 | 17 | 76.5% | 0 |
| October 2025 | 27 | 27 | 96.3% | 0 |
| November 2025 | 37 | 37 | 67.6% | 0 |
| December 2025 | 33 | 33 | 69.7% | 0 |
| January 2026 | 49 | 48 | 75.0% | 1 |
| February 2026 | 34 | 33 | 72.7% | 1 |
| March 2026 | 25 | 25 | 72.0% | 0 |
| April 2026 | 25 | 25 | 80.0% | 0 |
| May 2026 | 26 | 26 | 69.2% | 0 |
| June 2026 | 42 | 42 | 47.6% | 0 |
| July 2026 | 45 | 43 | 53.5% | 2 |