WN2120
WN2120 (Southwest Airlines) is a multi-stop service on 43 routes, busiest Denver to San Diego. Of 740 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 740 flights
- Average delay14.3 min
- July 202621▼ 72.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number43
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 | 4 | 31 | ▲ 675.0% |
| February | 2 | 39 | ▲ 1,850.0% |
| March | 1 | 31 | ▲ 3,000.0% |
| April | 29 | 43 | ▲ 48.3% |
| May | 37 | 50 | ▲ 35.1% |
| June | 68 | 23 | ▼ 66.2% |
| July | 75 | 21 | ▼ 72.0% |
| August | 60 | – | – |
| September | 60 | – | – |
| October | 32 | – | in progress |
| November | 26 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 216 | 238 | ▲ 10.2% |
according to the US BTS · October 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 | 50.0% | 90.3% | ▲ 80.6% |
| February | 100.0% | 84.6% | ▼ 15.4% |
| March | 100.0% | 90.3% | ▼ 9.7% |
| April | 89.7% | 76.7% | ▼ 14.4% |
| May | 91.9% | 58.0% | ▼ 36.9% |
| June | 69.1% | 47.8% | ▼ 30.8% |
| July | 59.5% | 47.6% | ▼ 19.9% |
| August | 78.3% | – | – |
| September | 80.0% | – | – |
| October | 96.9% | – | in progress |
| November | 72.0% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 80.0% | 70.8% | ▼ 11.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.5% 736
- Cancelled 0.5% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 32 | 32 | 90.6% | 0 |
| November 2024 | 23 | 23 | 100.0% | 0 |
| December 2024 | 16 | 16 | 62.5% | 0 |
| January 2025 | 4 | 4 | 50.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 29 | 29 | 89.7% | 0 |
| May 2025 | 37 | 37 | 91.9% | 0 |
| June 2025 | 68 | 68 | 69.1% | 0 |
| July 2025 | 75 | 74 | 59.5% | 1 |
| August 2025 | 60 | 60 | 78.3% | 0 |
| September 2025 | 60 | 60 | 80.0% | 0 |
| October 2025 | 32 | 32 | 96.9% | 0 |
| November 2025 | 26 | 25 | 72.0% | 1 |
| December 2025 | 37 | 35 | 71.4% | 2 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 39 | 39 | 84.6% | 0 |
| March 2026 | 31 | 31 | 90.3% | 0 |
| April 2026 | 43 | 43 | 76.7% | 0 |
| May 2026 | 50 | 50 | 58.0% | 0 |
| June 2026 | 23 | 23 | 47.8% | 0 |
| July 2026 | 21 | 21 | 47.6% | 0 |