WN3669
WN3669 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Denver to San Francisco. Of 571 departures recorded from October 2024 to July 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 571 flights
- Average delay16.8 min
- July 202616▼ 75.4%vs July 2025
- Cancelled1.1%
- Legs flown under this number32
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 | 30 | 31 | ▲ 3.3% |
| February | 20 | 18 | ▼ 10.0% |
| March | 70 | 30 | ▼ 57.1% |
| April | 17 | 9 | ▼ 47.1% |
| May | – | 4 | – |
| June | 56 | 15 | ▼ 73.2% |
| July | 65 | 16 | ▼ 75.4% |
| August | 40 | – | – |
| September | 34 | – | – |
| October | 2 | – | 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 | 72.4% | 83.3% | ▲ 15.1% |
| February | 55.0% | 83.3% | ▲ 51.5% |
| March | 74.3% | 86.7% | ▲ 16.7% |
| April | 53.3% | 66.7% | ▲ 25.0% |
| May | – | 0.0% | – |
| June | 66.1% | 66.7% | ▲ 0.9% |
| July | 50.8% | 75.0% | ▲ 47.7% |
| August | 85.0% | – | – |
| September | 85.3% | – | – |
| October | 100.0% | – | in progress |
| November | 72.0% | – | – |
| December | 58.6% | – | – |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | – | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 98.9% 565
- Cancelled 1.1% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN SFO Denver International Airport – San Francisco International Airport | 1,553 | 15.7 min | 74.0% | 73 |
| OAK LAS Oakland San Francisco Bay Airport – Harry Reid International Airport | 654 | 13.1 min | 87.7% | 57 |
| MDW CVG Chicago Midway International Airport – Cincinnati Northern Kentucky International Airport | 401 | 36.5 min | 43.1% | 51 |
| STL SRQ St. Louis Lambert International Airport – Sarasota Bradenton International Airport | 1,456 | 9.5 min | 87.0% | 47 |
| MCO STL Orlando International Airport – St. Louis Lambert International Airport | 1,420 | 32.6 min | 50.0% | 36 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 5.6 min | 84.9% | 33 |
| DEN SAN Denver International Airport – San Diego International Airport | 1,371 | 16.9 min | 68.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 14 | 14 | 92.9% | 0 |
| December 2024 | 25 | 25 | 84.0% | 0 |
| January 2025 | 30 | 29 | 72.4% | 1 |
| February 2025 | 20 | 20 | 55.0% | 0 |
| March 2025 | 70 | 70 | 74.3% | 0 |
| April 2025 | 17 | 15 | 53.3% | 2 |
| June 2025 | 56 | 56 | 66.1% | 0 |
| July 2025 | 65 | 65 | 50.8% | 0 |
| August 2025 | 40 | 40 | 85.0% | 0 |
| September 2025 | 34 | 34 | 85.3% | 0 |
| October 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 26 | 25 | 72.0% | 1 |
| December 2025 | 29 | 29 | 58.6% | 0 |
| January 2026 | 31 | 30 | 83.3% | 1 |
| February 2026 | 18 | 18 | 83.3% | 0 |
| March 2026 | 30 | 30 | 86.7% | 0 |
| April 2026 | 9 | 9 | 66.7% | 0 |
| May 2026 | 4 | 3 | 0.0% | 1 |
| June 2026 | 15 | 15 | 66.7% | 0 |
| July 2026 | 16 | 16 | 75.0% | 0 |