WN2121
WN2121 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Las Vegas to Baltimore. Of 656 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 656 flights
- Average delay11.1 min
- July 202634▲ 0.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number31
according to the US BTS · Oct 12, 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 | 32 | 28 | ▼ 12.5% |
| February | 26 | 41 | ▲ 57.7% |
| March | 30 | 32 | ▲ 6.7% |
| April | 30 | 36 | ▲ 20.0% |
| May | 31 | 41 | ▲ 32.3% |
| June | 34 | 35 | ▲ 2.9% |
| July | 34 | 34 | 0.0% |
| August | 24 | – | – |
| September | 22 | – | – |
| October | 17 | – | in progress |
| November | 21 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 217 | 247 | ▲ 13.8% |
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 | 96.8% | 81.5% | ▼ 15.8% |
| February | 100.0% | 50.0% | ▼ 50.0% |
| March | 89.3% | 96.9% | ▲ 8.5% |
| April | 80.0% | 50.0% | ▼ 37.5% |
| May | 87.1% | 57.5% | ▼ 34.0% |
| June | 82.4% | 62.9% | ▼ 23.7% |
| July | 79.4% | 73.5% | ▼ 7.4% |
| August | 87.5% | – | – |
| September | 95.5% | – | – |
| October | 82.4% | – | in progress |
| November | 61.9% | – | – |
| December | 64.7% | – | – |
| Year-to-date average (Jan–Jul) | 87.8% | 67.5% | ▼ 23.2% |
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 | 1 | 1 | 0.0% |
| February | 0 | 1 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 3 | 0.0% |
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 99.1% 650
- Cancelled 0.9% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS BWI Harry Reid International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,381 | 1.7 min | 97.1% | 105 |
| OAK LAS Oakland San Francisco Bay Airport – Harry Reid International Airport | 654 | 19.3 min | 56.9% | 58 |
| HOU GSP William P. Hobby Airport – Greenville-Spartanburg International Airport | 1,358 | 9.6 min | 84.5% | 58 |
| DEN BOS Denver International Airport – Boston Logan International Airport | 2,816 | 31.9 min | 64.4% | 47 |
| MDW ATL Chicago Midway International Airport – Hartsfield Jackson Atlanta International Airport | 952 | 4.9 min | 92.9% | 42 |
| BUR PHX Hollywood Burbank/Bob Hope Airport – Phoenix Sky Harbor International Airport | 593 | 17.0 min | 65.8% | 38 |
| MDW PDX Chicago Midway International Airport – Portland International Airport | 2,811 | 7.4 min | 82.4% | 34 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 0.4 min | 93.9% | 33 |
| LAS SAN Harry Reid International Airport – San Diego International Airport | 417 | 18.9 min | 61.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 31 | 31 | 96.8% | 0 |
| December 2024 | 40 | 40 | 97.5% | 0 |
| January 2025 | 32 | 31 | 96.8% | 1 |
| February 2025 | 26 | 26 | 100.0% | 0 |
| March 2025 | 30 | 28 | 89.3% | 2 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 34 | 34 | 82.4% | 0 |
| July 2025 | 34 | 34 | 79.4% | 0 |
| August 2025 | 24 | 24 | 87.5% | 0 |
| September 2025 | 22 | 22 | 95.5% | 0 |
| October 2025 | 17 | 17 | 82.4% | 0 |
| November 2025 | 21 | 21 | 61.9% | 0 |
| December 2025 | 17 | 17 | 64.7% | 0 |
| January 2026 | 28 | 27 | 81.5% | 1 |
| February 2026 | 41 | 40 | 50.0% | 1 |
| March 2026 | 32 | 32 | 96.9% | 0 |
| April 2026 | 36 | 36 | 50.0% | 0 |
| May 2026 | 41 | 40 | 57.5% | 1 |
| June 2026 | 35 | 35 | 62.9% | 0 |
| July 2026 | 34 | 34 | 73.5% | 0 |