WN2051
WN2051 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Boise to Denver. Of 664 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 664 flights
- Average delay14.9 min
- July 202675▲ 141.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number28
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 27 | 36 | ▲ 33.3% |
| February | 18 | 36 | ▲ 100.0% |
| March | 30 | 21 | ▼ 30.0% |
| April | 21 | 28 | ▲ 33.3% |
| May | 16 | 31 | ▲ 93.8% |
| June | 29 | 68 | ▲ 134.5% |
| July | 31 | 75 | ▲ 141.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 18 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 172 | 295 | ▲ 71.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 96.3% | 77.8% | ▼ 19.2% |
| February | 94.1% | 85.7% | ▼ 8.9% |
| March | 82.8% | 66.7% | ▼ 19.4% |
| April | 81.0% | 64.3% | ▼ 20.6% |
| May | 68.8% | 45.2% | ▼ 34.3% |
| June | 89.7% | 69.1% | ▼ 22.9% |
| July | 87.1% | 72.0% | ▼ 17.3% |
| August | 60.0% | – | – |
| September | 53.3% | – | – |
| October | 77.8% | – | in progress |
| November | 79.3% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 85.7% | 68.7% | ▼ 19.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | 1 | 0.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| 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 not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.4% 660
- Cancelled 0.6% 4
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOI DEN Boise Air Terminal/Gowen Field – Denver International Airport | 1,042 | 2.6 min | 91.9% | 87 |
| LAX MDW Los Angeles International Airport – Chicago Midway International Airport | 2,812 | 10.6 min | 86.9% | 61 |
| DEN CLE Denver International Airport – Cleveland Hopkins International Airport | 1,928 | 26.2 min | 54.4% | 58 |
| MCI LAS Kansas City International Airport – Harry Reid International Airport | 1,829 | 28.1 min | 44.0% | 50 |
| HOU MSY William P. Hobby Airport – Louis Armstrong New Orleans International Airport | 485 | 9.7 min | 85.7% | 49 |
| SAN ABQ San Diego International Airport – Albuquerque International Sunport | 1,009 | 11.5 min | 82.6% | 46 |
| LAS HOU Harry Reid International Airport – William P. Hobby Airport | 1,985 | 4.0 min | 90.2% | 41 |
| MCO SDF Orlando International Airport – Louisville Muhammad Ali International Airport | 1,158 | 23.4 min | 75.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 75.0% | 0 |
| November 2024 | 15 | 15 | 100.0% | 0 |
| December 2024 | 27 | 27 | 81.5% | 0 |
| January 2025 | 27 | 27 | 96.3% | 0 |
| February 2025 | 18 | 17 | 94.1% | 1 |
| March 2025 | 30 | 29 | 82.8% | 1 |
| April 2025 | 21 | 21 | 81.0% | 0 |
| May 2025 | 16 | 16 | 68.8% | 0 |
| June 2025 | 29 | 29 | 89.7% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 31 | 30 | 60.0% | 1 |
| September 2025 | 30 | 30 | 53.3% | 0 |
| October 2025 | 18 | 18 | 77.8% | 0 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 36 | 36 | 77.8% | 0 |
| February 2026 | 36 | 35 | 85.7% | 1 |
| March 2026 | 21 | 21 | 66.7% | 0 |
| April 2026 | 28 | 28 | 64.3% | 0 |
| May 2026 | 31 | 31 | 45.2% | 0 |
| June 2026 | 68 | 68 | 69.1% | 0 |
| July 2026 | 75 | 75 | 72.0% | 0 |