WN836
WN836 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Denver to Sacramento. Of 790 departures recorded from October 2024 to July 2026, 78.6% left on time, according to the US BTS.
- On-time departures78.6%of 790 flights
- Average delay10.6 min
- July 202639▲ 44.4%vs July 2025
- Cancelled1.4%
- Legs flown under this number42
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 | 42 | 52 | ▲ 23.8% |
| February | 34 | 60 | ▲ 76.5% |
| March | 28 | 31 | ▲ 10.7% |
| April | 29 | 19 | ▼ 34.5% |
| May | 30 | 18 | ▼ 40.0% |
| June | 26 | 36 | ▲ 38.5% |
| July | 27 | 39 | ▲ 44.4% |
| August | 55 | – | – |
| September | 60 | – | – |
| October | 51 | – | in progress |
| November | 38 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 216 | 255 | ▲ 18.1% |
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 | 85.0% | 94.1% | ▲ 10.7% |
| February | 70.6% | 80.0% | ▲ 13.3% |
| March | 85.2% | 60.0% | ▼ 29.6% |
| April | 92.9% | 68.4% | ▼ 26.3% |
| May | 90.0% | 38.9% | ▼ 56.8% |
| June | 45.8% | 58.8% | ▲ 28.3% |
| July | 61.5% | 76.9% | ▲ 25.0% |
| August | 83.6% | – | – |
| September | 95.0% | – | – |
| October | 88.2% | – | in progress |
| November | 94.7% | – | – |
| December | 73.3% | – | – |
| Year-to-date average (Jan–Jul) | 75.9% | 68.2% | ▼ 10.1% |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 2 | 2 | 0.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 4 | ▼ 42.9% |
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 98.6% 779
- Cancelled 1.4% 11
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 |
|---|---|---|---|---|
| DEN SMF Denver International Airport – Sacramento International Airport | 1,460 | 7.4 min | 79.7% | 64 |
| AUS DEN Austin Bergstrom International Airport – Denver International Airport | 1,249 | 1.4 min | 91.1% | 57 |
| SMF LGB Sacramento International Airport – Long Beach International Airport | 624 | 1.3 min | 92.5% | 53 |
| HOU BWI William P. Hobby Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,003 | 42.6 min | 49.0% | 52 |
| MCO PIT Orlando International Airport – Pittsburgh International Airport | 1,345 | -1.6 min | 94.0% | 50 |
| BUR SJC Hollywood Burbank/Bob Hope Airport – Mineta San Jose International Airport | 477 | 13.9 min | 64.6% | 50 |
| DCA DAL Ronald Reagan Washington National Airport – Dallas Love Field | 1,902 | 8.4 min | 79.5% | 41 |
| PIT MDW Pittsburgh International Airport – Chicago Midway International Airport | 646 | -0.8 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 50.0% | 0 |
| November 2024 | 19 | 19 | 79.0% | 0 |
| December 2024 | 29 | 29 | 82.8% | 0 |
| January 2025 | 42 | 40 | 85.0% | 2 |
| February 2025 | 34 | 34 | 70.6% | 0 |
| March 2025 | 28 | 27 | 85.2% | 1 |
| April 2025 | 29 | 28 | 92.9% | 1 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 26 | 24 | 45.8% | 2 |
| July 2025 | 27 | 26 | 61.5% | 1 |
| August 2025 | 55 | 55 | 83.6% | 0 |
| September 2025 | 60 | 60 | 95.0% | 0 |
| October 2025 | 51 | 51 | 88.2% | 0 |
| November 2025 | 38 | 38 | 94.7% | 0 |
| December 2025 | 45 | 45 | 73.3% | 0 |
| January 2026 | 52 | 51 | 94.1% | 1 |
| February 2026 | 60 | 60 | 80.0% | 0 |
| March 2026 | 31 | 30 | 60.0% | 1 |
| April 2026 | 19 | 19 | 68.4% | 0 |
| May 2026 | 18 | 18 | 38.9% | 0 |
| June 2026 | 36 | 34 | 58.8% | 2 |
| July 2026 | 39 | 39 | 76.9% | 0 |