WN1856
WN1856 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Burbank to Denver. Of 646 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 646 flights
- Average delay12.8 min
- July 20261▼ 98.4%vs July 2025
- Cancelled0.2%
- 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 | 31 | ▼ 11.4% |
| February | 30 | 28 | ▼ 6.7% |
| March | 32 | 23 | ▼ 28.1% |
| April | 27 | 17 | ▼ 37.0% |
| May | 28 | 19 | ▼ 32.1% |
| June | 55 | 1 | ▼ 98.2% |
| July | 61 | 1 | ▼ 98.4% |
| August | 34 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 23 | – | – |
| December | 26 | – | – |
| Year to date (Jan–Jul) | 268 | 120 | ▼ 55.2% |
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 | 71.4% | 90.3% | ▲ 26.4% |
| February | 76.7% | 96.4% | ▲ 25.8% |
| March | 93.8% | 73.9% | ▼ 21.2% |
| April | 96.3% | 64.7% | ▼ 32.8% |
| May | 96.4% | 47.4% | ▼ 50.9% |
| June | 45.5% | 0.0% | ▼ 100.0% |
| July | 60.7% | 100.0% | ▲ 64.9% |
| August | 88.2% | – | – |
| September | 90.0% | – | – |
| October | 80.7% | – | in progress |
| November | 60.9% | – | – |
| December | 46.2% | – | – |
| Year-to-date average (Jan–Jul) | 77.2% | 67.5% | ▼ 12.6% |
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 | 0 | – | – |
| 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% 645
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 4, 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 |
|---|---|---|---|---|
| BUR DEN Hollywood Burbank/Bob Hope Airport – Denver International Airport | 1,366 | 8.3 min | 80.0% | 121 |
| HOU DEN William P. Hobby Airport – Denver International Airport | 1,422 | 1.7 min | 94.8% | 58 |
| PHX SLC Phoenix Sky Harbor International Airport – Salt Lake City International Airport | 818 | 1.8 min | 96.0% | 50 |
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 26.0 min | 50.0% | 42 |
| FLL BWI Fort Lauderdale Hollywood International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,493 | 2.4 min | 95.2% | 42 |
| BWI PVD Baltimore/Washington International Thurgood Marshall Airport – Rhode Island T. F. Green International Airport | 526 | 18.9 min | 51.3% | 39 |
| DEN ECP Denver International Airport – Northwest Florida Beaches International Airport | 2,010 | 24.1 min | 56.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 48 | 47 | 85.1% | 1 |
| December 2024 | 46 | 46 | 69.6% | 0 |
| January 2025 | 35 | 35 | 71.4% | 0 |
| February 2025 | 30 | 30 | 76.7% | 0 |
| March 2025 | 32 | 32 | 93.8% | 0 |
| April 2025 | 27 | 27 | 96.3% | 0 |
| May 2025 | 28 | 28 | 96.4% | 0 |
| June 2025 | 55 | 55 | 45.5% | 0 |
| July 2025 | 61 | 61 | 60.7% | 0 |
| August 2025 | 34 | 34 | 88.2% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 23 | 23 | 60.9% | 0 |
| December 2025 | 26 | 26 | 46.2% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 23 | 23 | 73.9% | 0 |
| April 2026 | 17 | 17 | 64.7% | 0 |
| May 2026 | 19 | 19 | 47.4% | 0 |
| June 2026 | 1 | 1 | 0.0% | 0 |
| July 2026 | 1 | 1 | 100.0% | 0 |