WN3876
WN3876 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Denver to Albuquerque. Of 475 departures recorded from October 2024 to July 2026, 80.1% left on time, according to the US BTS.
- On-time departures80.1%of 475 flights
- Average delay9.5 min
- July 202630▲ 66.7%vs July 2025
- Cancelled0.6%
- Legs flown under this number22
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 7 | ▼ 76.7% |
| February | 28 | 3 | ▼ 89.3% |
| March | 31 | 43 | ▲ 38.7% |
| April | 7 | 10 | ▲ 42.9% |
| May | – | – | – |
| June | 14 | 27 | ▲ 92.9% |
| July | 18 | 30 | ▲ 66.7% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 26 | – | in progress |
| November | 33 | – | – |
| December | 39 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 86.7% | 100.0% | ▲ 15.4% |
| February | 82.1% | 66.7% | ▼ 18.8% |
| March | 74.2% | 76.7% | ▲ 3.4% |
| April | 100.0% | 60.0% | ▼ 40.0% |
| May | – | – | – |
| June | 78.6% | 96.2% | ▲ 22.4% |
| July | 94.1% | 96.7% | ▲ 2.7% |
| August | 79.3% | – | – |
| September | 65.5% | – | – |
| October | 80.8% | – | in progress |
| November | 63.6% | – | – |
| December | 61.5% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | – | – |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | 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 99.4% 472
- Cancelled 0.6% 3
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN ABQ Denver International Airport – Albuquerque International Sunport | 563 | 8.8 min | 84.6% | 91 |
| LAS AUS Harry Reid International Airport – Austin Bergstrom International Airport | 1,752 | 13.4 min | 71.9% | 58 |
| OAK LAX Oakland San Francisco Bay Airport – Los Angeles International Airport | 543 | 13.0 min | 72.2% | 54 |
| SRQ BWI Sarasota Bradenton International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,419 | 5.9 min | 98.0% | 50 |
| MKE TPA General Mitchell International Airport – Tampa International Airport | 1,733 | 11.5 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 78.3% | 0 |
| November 2024 | 23 | 23 | 100.0% | 0 |
| December 2024 | 24 | 24 | 87.5% | 0 |
| January 2025 | 30 | 30 | 86.7% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 7 | 7 | 100.0% | 0 |
| June 2025 | 14 | 14 | 78.6% | 0 |
| July 2025 | 18 | 17 | 94.1% | 1 |
| August 2025 | 29 | 29 | 79.3% | 0 |
| September 2025 | 30 | 29 | 65.5% | 1 |
| October 2025 | 26 | 26 | 80.8% | 0 |
| November 2025 | 33 | 33 | 63.6% | 0 |
| December 2025 | 39 | 39 | 61.5% | 0 |
| January 2026 | 7 | 7 | 100.0% | 0 |
| February 2026 | 3 | 3 | 66.7% | 0 |
| March 2026 | 43 | 43 | 76.7% | 0 |
| April 2026 | 10 | 10 | 60.0% | 0 |
| June 2026 | 27 | 26 | 96.2% | 1 |
| July 2026 | 30 | 30 | 96.7% | 0 |