WN354
WN354 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Baltimore to Houston. Of 680 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 680 flights
- Average delay14.4 min
- July 202641▲ 86.4%vs July 2025
- Cancelled0.7%
- Legs flown under this number40
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 | 39 | 31 | ▼ 20.5% |
| February | 44 | 28 | ▼ 36.4% |
| March | 33 | 31 | ▼ 6.1% |
| April | 21 | 30 | ▲ 42.9% |
| May | 24 | 31 | ▲ 29.2% |
| June | 20 | 38 | ▲ 90.0% |
| July | 22 | 41 | ▲ 86.4% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 50 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 203 | 230 | ▲ 13.3% |
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 | 84.2% | 76.7% | ▼ 9.0% |
| February | 77.3% | 64.3% | ▼ 16.8% |
| March | 90.6% | 41.9% | ▼ 53.7% |
| April | 85.7% | 70.0% | ▼ 18.3% |
| May | 70.8% | 67.7% | ▼ 4.4% |
| June | 95.0% | 47.4% | ▼ 50.1% |
| July | 90.9% | 47.5% | ▼ 47.8% |
| August | 88.5% | – | – |
| September | 72.0% | – | – |
| October | 70.0% | – | in progress |
| November | 78.6% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 84.9% | 59.4% | ▼ 30.1% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| 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 99.3% 675
- Cancelled 0.7% 5
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI HOU Baltimore/Washington International Thurgood Marshall Airport – William P. Hobby Airport | 2,003 | 14.5 min | 75.0% | 65 |
| MDW SAV Chicago Midway International Airport – Savannah Hilton Head International Airport | 1,221 | 10.2 min | 81.0% | 63 |
| AUS HOU Austin Bergstrom International Airport – William P. Hobby Airport | 238 | 15.5 min | 70.7% | 58 |
| BUR OAK Hollywood Burbank/Bob Hope Airport – Oakland San Francisco Bay Airport | 523 | 6.4 min | 79.2% | 49 |
| BOS DEN Boston Logan International Airport – Denver International Airport | 2,816 | 7.9 min | 75.0% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 32 | 32 | 81.3% | 0 |
| December 2024 | 34 | 34 | 82.4% | 0 |
| January 2025 | 39 | 38 | 84.2% | 1 |
| February 2025 | 44 | 44 | 77.3% | 0 |
| March 2025 | 33 | 32 | 90.6% | 1 |
| April 2025 | 21 | 21 | 85.7% | 0 |
| May 2025 | 24 | 24 | 70.8% | 0 |
| June 2025 | 20 | 20 | 95.0% | 0 |
| July 2025 | 22 | 22 | 90.9% | 0 |
| August 2025 | 26 | 26 | 88.5% | 0 |
| September 2025 | 26 | 25 | 72.0% | 1 |
| October 2025 | 50 | 50 | 70.0% | 0 |
| November 2025 | 28 | 28 | 78.6% | 0 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 31 | 31 | 41.9% | 0 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 38 | 38 | 47.4% | 0 |
| July 2026 | 41 | 40 | 47.5% | 1 |