WN1592
WN1592 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Sacramento to Denver. Of 560 departures recorded from October 2024 to July 2026, 67.7% left on time, according to the US BTS.
- On-time departures67.7%of 560 flights
- Average delay16.7 min
- July 202617▼ 57.5%vs July 2025
- Cancelled0.4%
- Legs flown under this number26
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 | 14 | 30 | ▲ 114.3% |
| February | 7 | 28 | ▲ 300.0% |
| March | 27 | 31 | ▲ 14.8% |
| April | 30 | 12 | ▼ 60.0% |
| May | 31 | 10 | ▼ 67.7% |
| June | 38 | 15 | ▼ 60.5% |
| July | 40 | 17 | ▼ 57.5% |
| August | 43 | – | – |
| September | 43 | – | – |
| October | 31 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 187 | 143 | ▼ 23.5% |
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 | 100.0% | 90.0% | ▼ 10.0% |
| February | 85.7% | 64.3% | ▼ 25.0% |
| March | 77.8% | 71.0% | ▼ 8.8% |
| April | 62.1% | 58.3% | ▼ 6.0% |
| May | 77.4% | 70.0% | ▼ 9.6% |
| June | 52.6% | 53.3% | ▲ 1.3% |
| July | 42.5% | 58.8% | ▲ 38.4% |
| August | 48.8% | – | – |
| September | 62.8% | – | – |
| October | 83.9% | – | in progress |
| November | 80.0% | – | – |
| December | 81.3% | – | – |
| Year-to-date average (Jan–Jul) | 71.2% | 66.5% | ▼ 6.5% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.6% 558
- Cancelled 0.4% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF DEN Sacramento International Airport – Denver International Airport | 1,460 | 19.6 min | 60.3% | 58 |
| SFO SAN San Francisco International Airport – San Diego International Airport | 719 | 6.7 min | 75.9% | 58 |
| HOU MDW William P. Hobby Airport – Chicago Midway International Airport | 1,510 | 15.5 min | 69.0% | 58 |
| DEN PDX Denver International Airport – Portland International Airport | 1,592 | 28.0 min | 46.2% | 52 |
| BWI BNA Baltimore/Washington International Thurgood Marshall Airport – Nashville International Airport | 944 | 7.2 min | 82.1% | 40 |
| LGA BNA LaGuardia Airport – Nashville International Airport | 1,228 | 20.5 min | 75.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 22 | 22 | 86.4% | 0 |
| December 2024 | 37 | 37 | 64.9% | 0 |
| January 2025 | 14 | 14 | 100.0% | 0 |
| February 2025 | 7 | 7 | 85.7% | 0 |
| March 2025 | 27 | 27 | 77.8% | 0 |
| April 2025 | 30 | 29 | 62.1% | 1 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 38 | 38 | 52.6% | 0 |
| July 2025 | 40 | 40 | 42.5% | 0 |
| August 2025 | 43 | 43 | 48.8% | 0 |
| September 2025 | 43 | 43 | 62.8% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 20 | 20 | 80.0% | 0 |
| December 2025 | 17 | 16 | 81.3% | 1 |
| January 2026 | 30 | 30 | 90.0% | 0 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 12 | 12 | 58.3% | 0 |
| May 2026 | 10 | 10 | 70.0% | 0 |
| June 2026 | 15 | 15 | 53.3% | 0 |
| July 2026 | 17 | 17 | 58.8% | 0 |