WN1596
WN1596 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Tulsa to Denver. Of 594 departures recorded from October 2024 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 594 flights
- Average delay14.1 min
- July 202619▼ 24.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number36
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 | 16 | 32 | ▲ 100.0% |
| February | 29 | 28 | ▼ 3.4% |
| March | 31 | 39 | ▲ 25.8% |
| April | 30 | 32 | ▲ 6.7% |
| May | 31 | 31 | 0.0% |
| June | 28 | 19 | ▼ 32.1% |
| July | 25 | 19 | ▼ 24.0% |
| August | 28 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 31 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 190 | 200 | ▲ 5.3% |
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 | 93.8% | 83.9% | ▼ 10.5% |
| February | 82.8% | 67.9% | ▼ 18.0% |
| March | 87.1% | 68.4% | ▼ 21.4% |
| April | 63.3% | 90.3% | ▲ 42.6% |
| May | 48.4% | 87.1% | ▲ 80.0% |
| June | 71.4% | 31.6% | ▼ 55.8% |
| July | 68.0% | 26.3% | ▼ 61.3% |
| August | 88.9% | – | – |
| September | 92.3% | – | – |
| October | 88.9% | – | in progress |
| November | 80.0% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 73.5% | 65.1% | ▼ 11.5% |
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 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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% 589
- Cancelled 0.8% 5
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | 8.1 min | 89.5% | 58 |
| STL SFO St. Louis Lambert International Airport – San Francisco International Airport | 2,786 | 13.2 min | 75.5% | 53 |
| BNA BUR Nashville International Airport – Hollywood Burbank/Bob Hope Airport | 2,875 | 22.2 min | 66.7% | 45 |
| DEN TUL Denver International Airport – Tulsa International Airport | 870 | 44.1 min | 38.1% | 42 |
| BUR SMF Hollywood Burbank/Bob Hope Airport – Sacramento International Airport | 577 | -2.1 min | 95.1% | 42 |
| BDL MDW Bradley International Airport – Chicago Midway International Airport | 1,246 | -3.7 min | 97.6% | 42 |
| LAS MCI Harry Reid International Airport – Kansas City International Airport | 1,829 | 9.5 min | 84.4% | 33 |
| BWI SMF Baltimore/Washington International Thurgood Marshall Airport – Sacramento International Airport | 3,845 | 7.0 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 87.0% | 0 |
| November 2024 | 10 | 10 | 100.0% | 0 |
| December 2024 | 26 | 26 | 69.2% | 0 |
| January 2025 | 16 | 16 | 93.8% | 0 |
| February 2025 | 29 | 29 | 82.8% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 63.3% | 0 |
| May 2025 | 31 | 31 | 48.4% | 0 |
| June 2025 | 28 | 28 | 71.4% | 0 |
| July 2025 | 25 | 25 | 68.0% | 0 |
| August 2025 | 28 | 27 | 88.9% | 1 |
| September 2025 | 26 | 26 | 92.3% | 0 |
| October 2025 | 27 | 27 | 88.9% | 0 |
| November 2025 | 31 | 30 | 80.0% | 1 |
| December 2025 | 33 | 33 | 81.8% | 0 |
| January 2026 | 32 | 31 | 83.9% | 1 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 39 | 38 | 68.4% | 1 |
| April 2026 | 32 | 31 | 90.3% | 1 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 19 | 19 | 31.6% | 0 |
| July 2026 | 19 | 19 | 26.3% | 0 |