WN2141
WN2141 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Boston to Nashville. Of 703 departures recorded from October 2024 to July 2026, 73.7% left on time, according to the US BTS.
- On-time departures73.7%of 703 flights
- Average delay12.3 min
- July 202630▼ 25.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number28
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 | 28 | 29 | ▲ 3.6% |
| February | 24 | 28 | ▲ 16.7% |
| March | 56 | 23 | ▼ 58.9% |
| April | 34 | 46 | ▲ 35.3% |
| May | 22 | 54 | ▲ 145.5% |
| June | 35 | 33 | ▼ 5.7% |
| July | 40 | 30 | ▼ 25.0% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 239 | 243 | ▲ 1.7% |
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 | 74.1% | 75.9% | ▲ 2.4% |
| February | 79.2% | 50.0% | ▼ 36.8% |
| March | 57.4% | 52.2% | ▼ 9.1% |
| April | 73.5% | 53.3% | ▼ 27.5% |
| May | 86.4% | 48.2% | ▼ 44.2% |
| June | 71.4% | 87.5% | ▲ 22.5% |
| July | 82.5% | 90.0% | ▲ 9.1% |
| August | 90.0% | – | – |
| September | 83.3% | – | – |
| October | 93.6% | – | in progress |
| November | 82.8% | – | – |
| December | 87.1% | – | – |
| Year-to-date average (Jan–Jul) | 74.9% | 65.3% | ▼ 12.9% |
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 | 2 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 33.3% |
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% 697
- Cancelled 0.9% 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 |
|---|---|---|---|---|
| BOS BNA Boston Logan International Airport – Nashville International Airport | 1,514 | 11.2 min | 81.5% | 110 |
| LAS DTW Harry Reid International Airport – Detroit Metropolitan Wayne County Airport | 2,808 | 17.8 min | 48.3% | 58 |
| OAK LAX Oakland San Francisco Bay Airport – Los Angeles International Airport | 543 | 4.0 min | 87.7% | 57 |
| ISP BWI Long Island MacArthur Airport – Baltimore/Washington International Thurgood Marshall Airport | 353 | 3.6 min | 92.9% | 57 |
| DTW MDW Detroit Metropolitan Wayne County Airport – Chicago Midway International Airport | 367 | 21.6 min | 50.0% | 43 |
| DEN SFO Denver International Airport – San Francisco International Airport | 1,553 | 22.3 min | 48.7% | 37 |
| AUS HOU Austin Bergstrom International Airport – William P. Hobby Airport | 238 | -0.5 min | 94.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 72.7% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 30 | 29 | 75.9% | 1 |
| January 2025 | 28 | 27 | 74.1% | 1 |
| February 2025 | 24 | 24 | 79.2% | 0 |
| March 2025 | 56 | 54 | 57.4% | 2 |
| April 2025 | 34 | 34 | 73.5% | 0 |
| May 2025 | 22 | 22 | 86.4% | 0 |
| June 2025 | 35 | 35 | 71.4% | 0 |
| July 2025 | 40 | 40 | 82.5% | 0 |
| August 2025 | 30 | 30 | 90.0% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 29 | 29 | 75.9% | 0 |
| February 2026 | 28 | 28 | 50.0% | 0 |
| March 2026 | 23 | 23 | 52.2% | 0 |
| April 2026 | 46 | 45 | 53.3% | 1 |
| May 2026 | 54 | 54 | 48.2% | 0 |
| June 2026 | 33 | 32 | 87.5% | 1 |
| July 2026 | 30 | 30 | 90.0% | 0 |