WN3388
WN3388 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Denver to Long Beach. Of 516 departures recorded from October 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 516 flights
- Average delay11.5 min
- July 202630▲ 650.0%vs July 2025
- Cancelled0.2%
- Legs flown under this number23
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 | 7 | 31 | ▲ 342.9% |
| February | 12 | 28 | ▲ 133.3% |
| March | 24 | 8 | ▼ 66.7% |
| April | 34 | 25 | ▼ 26.5% |
| May | 33 | 31 | ▼ 6.1% |
| June | 10 | 30 | ▲ 200.0% |
| July | 4 | 30 | ▲ 650.0% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 39 | – | in progress |
| November | 31 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 124 | 183 | ▲ 47.6% |
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 | 100.0% | 83.9% | ▼ 16.1% |
| February | 75.0% | 39.3% | ▼ 47.6% |
| March | 66.7% | 87.5% | ▲ 31.2% |
| April | 73.5% | 84.0% | ▲ 14.2% |
| May | 39.4% | 80.7% | ▲ 104.7% |
| June | 50.0% | 90.0% | ▲ 80.0% |
| July | 25.0% | 96.7% | ▲ 286.7% |
| August | 92.9% | – | – |
| September | 93.3% | – | – |
| October | 71.8% | – | in progress |
| November | 93.3% | – | – |
| December | 72.7% | – | – |
| Year-to-date average (Jan–Jul) | 61.4% | 80.3% | ▲ 30.8% |
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 | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.8% 515
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 14.7 min | 62.1% | 58 |
| MDW SMF Chicago Midway International Airport – Sacramento International Airport | 2,874 | 6.5 min | 82.8% | 58 |
| DEN LGB Denver International Airport – Long Beach International Airport | 1,373 | -0.3 min | 94.8% | 58 |
| TYS BNA McGhee Tyson Airport – Nashville International Airport | 244 | -0.4 min | 93.0% | 57 |
| BWI CLT Baltimore/Washington International Thurgood Marshall Airport – Charlotte Douglas International Airport | 581 | 36.9 min | 61.2% | 49 |
| ORF MDW Norfolk International Airport – Chicago Midway International Airport | 1,131 | -0.4 min | 91.1% | 46 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 18 | 18 | 94.4% | 0 |
| December 2024 | 16 | 16 | 93.8% | 0 |
| January 2025 | 7 | 7 | 100.0% | 0 |
| February 2025 | 12 | 12 | 75.0% | 0 |
| March 2025 | 24 | 24 | 66.7% | 0 |
| April 2025 | 34 | 34 | 73.5% | 0 |
| May 2025 | 33 | 33 | 39.4% | 0 |
| June 2025 | 10 | 10 | 50.0% | 0 |
| July 2025 | 4 | 4 | 25.0% | 0 |
| August 2025 | 28 | 28 | 92.9% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 39 | 39 | 71.8% | 0 |
| November 2025 | 31 | 30 | 93.3% | 1 |
| December 2025 | 33 | 33 | 72.7% | 0 |
| January 2026 | 31 | 31 | 83.9% | 0 |
| February 2026 | 28 | 28 | 39.3% | 0 |
| March 2026 | 8 | 8 | 87.5% | 0 |
| April 2026 | 25 | 25 | 84.0% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 30 | 30 | 96.7% | 0 |