WN1951
WN1951 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Spokane to Las Vegas. Of 578 departures recorded from October 2024 to July 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 578 flights
- Average delay15.5 min
- July 202649▲ 63.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number30
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 | 19 | 10 | ▼ 47.4% |
| February | 11 | 9 | ▼ 18.2% |
| March | 33 | 29 | ▼ 12.1% |
| April | 28 | 31 | ▲ 10.7% |
| May | 26 | 31 | ▲ 19.2% |
| June | 30 | 57 | ▲ 90.0% |
| July | 30 | 49 | ▲ 63.3% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 41 | – | – |
| December | 35 | – | – |
| Year to date (Jan–Jul) | 177 | 216 | ▲ 22.0% |
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 | 88.9% | 70.0% | ▼ 21.3% |
| February | 90.9% | 88.9% | ▼ 2.2% |
| March | 84.4% | 40.7% | ▼ 51.7% |
| April | 89.3% | 67.7% | ▼ 24.1% |
| May | 92.3% | 67.7% | ▼ 26.6% |
| June | 63.3% | 47.4% | ▼ 25.2% |
| July | 76.7% | 73.5% | ▼ 4.2% |
| August | 76.7% | – | – |
| September | 86.7% | – | – |
| October | 83.9% | – | in progress |
| November | 63.4% | – | – |
| December | 57.1% | – | – |
| Year-to-date average (Jan–Jul) | 83.7% | 65.1% | ▼ 22.2% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| 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 | 2 | 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 99.1% 573
- Cancelled 0.9% 5
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GEG LAS Spokane International Airport – Harry Reid International Airport | 1,298 | 17.9 min | 61.4% | 57 |
| TPA BWI Tampa International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,358 | 13.2 min | 82.5% | 57 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 17.0 min | 66.7% | 57 |
| OKC PHX OKC Will Rogers World Airport – Phoenix Sky Harbor International Airport | 1,338 | 24.5 min | 68.6% | 51 |
| LAX DEN Los Angeles International Airport – Denver International Airport | 1,385 | 8.7 min | 85.7% | 42 |
| LAS MEM Harry Reid International Airport – Frederick W. Smith International Airport | 2,274 | 16.3 min | 65.9% | 41 |
| PHX DSM Phoenix Sky Harbor International Airport – Des Moines International Airport | 1,847 | 8.4 min | 84.4% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 6 | 83.3% | 1 |
| November 2024 | 3 | 3 | 100.0% | 0 |
| December 2024 | 8 | 8 | 100.0% | 0 |
| January 2025 | 19 | 18 | 88.9% | 1 |
| February 2025 | 11 | 11 | 90.9% | 0 |
| March 2025 | 33 | 32 | 84.4% | 1 |
| April 2025 | 28 | 28 | 89.3% | 0 |
| May 2025 | 26 | 26 | 92.3% | 0 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 30 | 30 | 76.7% | 0 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 41 | 41 | 63.4% | 0 |
| December 2025 | 35 | 35 | 57.1% | 0 |
| January 2026 | 10 | 10 | 70.0% | 0 |
| February 2026 | 9 | 9 | 88.9% | 0 |
| March 2026 | 29 | 27 | 40.7% | 2 |
| April 2026 | 31 | 31 | 67.7% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 57 | 57 | 47.4% | 0 |
| July 2026 | 49 | 49 | 73.5% | 0 |