WN2661
WN2661 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Denver to Oakland. Of 638 departures recorded from November 2024 to July 2026, 82.1% left on time, according to the US BTS.
- On-time departures82.1%of 638 flights
- Average delay10.8 min
- July 202613▼ 69.8%vs July 2025
- Cancelled1.1%
- Legs flown under this number31
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 | 47 | ▲ 235.7% |
| February | 11 | 40 | ▲ 263.6% |
| March | 28 | 37 | ▲ 32.1% |
| April | 30 | 28 | ▼ 6.7% |
| May | 31 | 26 | ▼ 16.1% |
| June | 42 | 14 | ▼ 66.7% |
| July | 43 | 13 | ▼ 69.8% |
| August | 46 | – | – |
| September | 47 | – | – |
| October | 31 | – | in progress |
| November | 15 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 199 | 205 | ▲ 3.0% |
according to the US BTS · November 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 | 71.4% | 68.2% | ▼ 4.5% |
| February | 100.0% | 84.6% | ▼ 15.4% |
| March | 78.6% | 88.6% | ▲ 12.7% |
| April | 80.0% | 78.6% | ▼ 1.8% |
| May | 80.7% | 80.8% | ▲ 0.1% |
| June | 90.5% | 92.9% | ▲ 2.6% |
| July | 88.4% | 83.3% | ▼ 5.7% |
| August | 80.4% | – | – |
| September | 74.5% | – | – |
| October | 77.4% | – | in progress |
| November | 73.3% | – | – |
| December | 76.0% | – | – |
| Year-to-date average (Jan–Jul) | 84.2% | 82.4% | ▼ 2.1% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 1 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 7 |
according to the US BTS · November 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% 631
- Cancelled 1.1% 7
Share of all recorded flights in the period, all legs. · Nov 3, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| DEN OAK Denver International Airport – Oakland San Francisco Bay Airport | 1,537 | 18.0 min | 81.0% | 58 |
| DEN OKC Denver International Airport – OKC Will Rogers World Airport | 796 | 4.3 min | 92.3% | 52 |
| DAL DCA Dallas Love Field – Ronald Reagan Washington National Airport | 1,902 | 24.9 min | 65.9% | 47 |
| BWI LAS Baltimore/Washington International Thurgood Marshall Airport – Harry Reid International Airport | 3,381 | 7.6 min | 81.0% | 42 |
| MDW PIT Chicago Midway International Airport – Pittsburgh International Airport | 646 | 13.0 min | 87.1% | 33 |
| DEN SJC Denver International Airport – Mineta San Jose International Airport | 1,522 | 21.5 min | 65.6% | 32 |
| LAS STL Harry Reid International Airport – St. Louis Lambert International Airport | 2,202 | 18.9 min | 77.4% | 31 |
| BUR BNA Hollywood Burbank/Bob Hope Airport – Nashville International Airport | 2,875 | 4.8 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 38 | 38 | 86.8% | 0 |
| December 2024 | 32 | 32 | 96.9% | 0 |
| January 2025 | 14 | 14 | 71.4% | 0 |
| February 2025 | 11 | 11 | 100.0% | 0 |
| March 2025 | 28 | 28 | 78.6% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 42 | 42 | 90.5% | 0 |
| July 2025 | 43 | 43 | 88.4% | 0 |
| August 2025 | 46 | 46 | 80.4% | 0 |
| September 2025 | 47 | 47 | 74.5% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 15 | 15 | 73.3% | 0 |
| December 2025 | 25 | 25 | 76.0% | 0 |
| January 2026 | 47 | 44 | 68.2% | 3 |
| February 2026 | 40 | 39 | 84.6% | 1 |
| March 2026 | 37 | 35 | 88.6% | 2 |
| April 2026 | 28 | 28 | 78.6% | 0 |
| May 2026 | 26 | 26 | 80.8% | 0 |
| June 2026 | 14 | 14 | 92.9% | 0 |
| July 2026 | 13 | 12 | 83.3% | 1 |