WN3834
WN3834 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Los Angeles to Denver. Of 608 departures recorded from October 2024 to July 2026, 71.0% left on time, according to the US BTS.
- On-time departures71.0%of 608 flights
- Average delay13.8 min
- July 202635▲ 52.2%vs July 2025
- Cancelled0.7%
- Legs flown under this number26
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 34 | 4 | ▼ 88.2% |
| February | 43 | – | – |
| March | 39 | 50 | ▲ 28.2% |
| April | 32 | 24 | ▼ 25.0% |
| May | 31 | 18 | ▼ 41.9% |
| June | 22 | 31 | ▲ 40.9% |
| July | 23 | 35 | ▲ 52.2% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 48 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 79.4% | 50.0% | ▼ 37.0% |
| February | 67.4% | – | – |
| March | 81.6% | 60.0% | ▼ 26.5% |
| April | 87.5% | 70.8% | ▼ 19.1% |
| May | 83.9% | 55.6% | ▼ 33.8% |
| June | 38.1% | 67.7% | ▲ 77.8% |
| July | 56.5% | 71.4% | ▲ 26.4% |
| August | 86.2% | – | – |
| September | 93.3% | – | – |
| October | 67.4% | – | in progress |
| November | 96.2% | – | – |
| December | 69.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 0 | – | – |
| December | 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 99.3% 604
- Cancelled 0.7% 4
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 |
|---|---|---|---|---|
| LAX DEN Los Angeles International Airport – Denver International Airport | 1,385 | 15.3 min | 80.0% | 66 |
| MSP STL Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – St. Louis Lambert International Airport | 722 | 8.9 min | 79.7% | 59 |
| MYR MDW Myrtle Beach International Airport – Chicago Midway International Airport | 1,188 | 1.6 min | 91.4% | 58 |
| DEN BZN Denver International Airport – Bozeman Yellowstone International Airport | 844 | 5.3 min | 84.5% | 58 |
| SMF SNA Sacramento International Airport – John Wayne Orange County International Airport | 650 | 14.8 min | 61.2% | 49 |
| MDW LAS Chicago Midway International Airport – Harry Reid International Airport | 2,442 | 34.1 min | 47.6% | 43 |
| OAK LAS Oakland San Francisco Bay Airport – Harry Reid International Airport | 654 | 9.3 min | 69.7% | 33 |
| PHX OAK Phoenix Sky Harbor International Airport – Oakland San Francisco Bay Airport | 1,039 | 13.4 min | 53.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 85.7% | 0 |
| November 2024 | 33 | 33 | 48.5% | 0 |
| December 2024 | 20 | 20 | 55.0% | 0 |
| January 2025 | 34 | 34 | 79.4% | 0 |
| February 2025 | 43 | 43 | 67.4% | 0 |
| March 2025 | 39 | 38 | 81.6% | 1 |
| April 2025 | 32 | 32 | 87.5% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 22 | 21 | 38.1% | 1 |
| July 2025 | 23 | 23 | 56.5% | 0 |
| August 2025 | 29 | 29 | 86.2% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 48 | 46 | 67.4% | 2 |
| November 2025 | 26 | 26 | 96.2% | 0 |
| December 2025 | 29 | 29 | 69.0% | 0 |
| January 2026 | 4 | 4 | 50.0% | 0 |
| March 2026 | 50 | 50 | 60.0% | 0 |
| April 2026 | 24 | 24 | 70.8% | 0 |
| May 2026 | 18 | 18 | 55.6% | 0 |
| June 2026 | 31 | 31 | 67.7% | 0 |
| July 2026 | 35 | 35 | 71.4% | 0 |