WN1376
WN1376 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Long Beach to Denver. Of 637 departures recorded from October 2024 to July 2026, 84.7% left on time, according to the US BTS.
- On-time departures84.7%of 637 flights
- Average delay7.4 min
- July 202610▼ 67.7%vs July 2025
- Cancelled0.8%
- Legs flown under this number33
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 | 35 | 27 | ▼ 22.9% |
| February | 44 | 24 | ▼ 45.5% |
| March | 39 | 35 | ▼ 10.3% |
| April | 23 | 31 | ▲ 34.8% |
| May | 16 | 31 | ▲ 93.8% |
| June | 29 | 10 | ▼ 65.5% |
| July | 31 | 10 | ▼ 67.7% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 21 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 217 | 168 | ▼ 22.6% |
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 | 90.9% | 92.3% | ▲ 1.5% |
| February | 81.8% | 79.2% | ▼ 3.2% |
| March | 94.9% | 88.6% | ▼ 6.6% |
| April | 95.7% | 83.9% | ▼ 12.3% |
| May | 100.0% | 80.7% | ▼ 19.3% |
| June | 65.5% | 70.0% | ▲ 6.8% |
| July | 74.2% | 80.0% | ▲ 7.8% |
| August | 84.6% | – | – |
| September | 96.2% | – | – |
| October | 81.0% | – | in progress |
| November | 90.0% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 86.1% | 82.1% | ▼ 4.7% |
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 | 2 | 1 | ▼ 50.0% |
| 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 | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.2% 632
- Cancelled 0.8% 5
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGB DEN Long Beach International Airport – Denver International Airport | 1,373 | 5.3 min | 88.2% | 86 |
| BOI DEN Boise Air Terminal/Gowen Field – Denver International Airport | 1,042 | 8.3 min | 90.6% | 64 |
| SMF EUG Sacramento International Airport – Eugene Airport | 619 | 10.6 min | 70.5% | 61 |
| CLE LAS Cleveland Hopkins International Airport – Harry Reid International Airport | 2,929 | 20.2 min | 81.0% | 58 |
| MDW BDL Chicago Midway International Airport – Bradley International Airport | 1,246 | 4.8 min | 91.8% | 49 |
| OAK HOU Oakland San Francisco Bay Airport – William P. Hobby Airport | 2,639 | 0.2 min | 100.0% | 33 |
| MDW DEN Chicago Midway International Airport – Denver International Airport | 1,438 | -1.9 min | 93.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 43 | 41 | 85.4% | 2 |
| December 2024 | 59 | 59 | 74.6% | 0 |
| January 2025 | 35 | 33 | 90.9% | 2 |
| February 2025 | 44 | 44 | 81.8% | 0 |
| March 2025 | 39 | 39 | 94.9% | 0 |
| April 2025 | 23 | 23 | 95.7% | 0 |
| May 2025 | 16 | 16 | 100.0% | 0 |
| June 2025 | 29 | 29 | 65.5% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 26 | 26 | 84.6% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 21 | 21 | 81.0% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 27 | 26 | 92.3% | 1 |
| February 2026 | 24 | 24 | 79.2% | 0 |
| March 2026 | 35 | 35 | 88.6% | 0 |
| April 2026 | 31 | 31 | 83.9% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 10 | 10 | 70.0% | 0 |
| July 2026 | 10 | 10 | 80.0% | 0 |