WN1400
WN1400 (Southwest Airlines) is a multi-stop service on 41 routes, busiest Las Vegas to Ontario. Of 772 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 772 flights
- Average delay10.6 min
- July 202645▲ 45.2%vs July 2025
- Cancelled0.8%
- Legs flown under this number41
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 | 43 | 44 | ▲ 2.3% |
| February | 46 | 43 | ▼ 6.5% |
| March | 43 | 31 | ▼ 27.9% |
| April | 32 | 29 | ▼ 9.4% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 40 | ▲ 33.3% |
| July | 31 | 45 | ▲ 45.2% |
| August | 33 | – | – |
| September | 34 | – | – |
| October | 25 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 255 | 263 | ▲ 3.1% |
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 | 93.0% | 88.4% | ▼ 5.0% |
| February | 87.0% | 81.4% | ▼ 6.4% |
| March | 90.7% | 64.3% | ▼ 29.1% |
| April | 90.6% | 58.6% | ▼ 35.3% |
| May | 83.3% | 51.6% | ▼ 38.1% |
| June | 93.1% | 57.5% | ▼ 38.2% |
| July | 93.6% | 84.4% | ▼ 9.7% |
| August | 66.7% | – | – |
| September | 58.8% | – | – |
| October | 76.0% | – | in progress |
| November | 70.0% | – | – |
| December | 63.3% | – | – |
| Year-to-date average (Jan–Jul) | 90.2% | 69.5% | ▼ 23.0% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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% 766
- Cancelled 0.8% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| LAS ONT Harry Reid International Airport – Ontario International Airport | 317 | 3.6 min | 86.9% | 84 |
| BNA BWI Nashville International Airport – Baltimore/Washington International Thurgood Marshall Airport | 944 | 13.2 min | 69.8% | 64 |
| PIT MCO Pittsburgh International Airport – Orlando International Airport | 1,345 | 4.1 min | 95.0% | 61 |
| LAS SJC Harry Reid International Airport – Mineta San Jose International Airport | 620 | 32.0 min | 50.0% | 58 |
| TPA PIT Tampa International Airport – Pittsburgh International Airport | 1,408 | 6.4 min | 84.2% | 57 |
| DAL SAT Dallas Love Field – San Antonio International Airport | 399 | 21.4 min | 59.5% | 42 |
| SNA OAK John Wayne Orange County International Airport – Oakland San Francisco Bay Airport | 597 | 6.1 min | 82.9% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 71.4% | 0 |
| November 2024 | 39 | 39 | 92.3% | 0 |
| December 2024 | 48 | 48 | 93.8% | 0 |
| January 2025 | 43 | 43 | 93.0% | 0 |
| February 2025 | 46 | 46 | 87.0% | 0 |
| March 2025 | 43 | 43 | 90.7% | 0 |
| April 2025 | 32 | 32 | 90.6% | 0 |
| May 2025 | 30 | 30 | 83.3% | 0 |
| June 2025 | 30 | 29 | 93.1% | 1 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 33 | 33 | 66.7% | 0 |
| September 2025 | 34 | 34 | 58.8% | 0 |
| October 2025 | 25 | 25 | 76.0% | 0 |
| November 2025 | 30 | 30 | 70.0% | 0 |
| December 2025 | 31 | 30 | 63.3% | 1 |
| January 2026 | 44 | 43 | 88.4% | 1 |
| February 2026 | 43 | 43 | 81.4% | 0 |
| March 2026 | 31 | 28 | 64.3% | 3 |
| April 2026 | 29 | 29 | 58.6% | 0 |
| May 2026 | 31 | 31 | 51.6% | 0 |
| June 2026 | 40 | 40 | 57.5% | 0 |
| July 2026 | 45 | 45 | 84.4% | 0 |