WN3255
WN3255 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Austin to Baltimore. Of 652 departures recorded from October 2024 to July 2026, 77.6% left on time, according to the US BTS.
- On-time departures77.6%of 652 flights
- Average delay10.0 min
- July 202627▼ 38.6%vs July 2025
- Cancelled0.6%
- Legs flown under this number23
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 | 30 | 33 | ▲ 10.0% |
| February | 28 | 18 | ▼ 35.7% |
| March | 27 | 13 | ▼ 51.9% |
| April | 29 | 29 | 0.0% |
| May | 31 | 35 | ▲ 12.9% |
| June | 42 | 26 | ▼ 38.1% |
| July | 44 | 27 | ▼ 38.6% |
| August | 25 | – | – |
| September | 22 | – | – |
| October | 44 | – | in progress |
| November | 53 | – | – |
| December | 39 | – | – |
| Year to date (Jan–Jul) | 231 | 181 | ▼ 21.6% |
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 | 75.9% | 84.9% | ▲ 11.9% |
| February | 82.1% | 88.9% | ▲ 8.2% |
| March | 85.2% | 53.9% | ▼ 36.8% |
| April | 79.3% | 93.1% | ▲ 17.4% |
| May | 77.4% | 94.3% | ▲ 21.8% |
| June | 88.1% | 53.9% | ▼ 38.9% |
| July | 69.8% | 88.9% | ▲ 27.4% |
| August | 78.3% | – | – |
| September | 72.7% | – | – |
| October | 77.3% | – | in progress |
| November | 67.9% | – | – |
| December | 87.2% | – | – |
| Year-to-date average (Jan–Jul) | 79.7% | 79.7% | 0.0% |
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 | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 100.0% |
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 99.4% 648
- 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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS BWI Austin Bergstrom International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,156 | 15.7 min | 68.2% | 108 |
| LGB DEN Long Beach International Airport – Denver International Airport | 1,373 | 6.0 min | 93.0% | 57 |
| MCO MDW Orlando International Airport – Chicago Midway International Airport | 1,595 | 8.5 min | 78.0% | 52 |
| TPA STL Tampa International Airport – St. Louis Lambert International Airport | 1,400 | 2.4 min | 85.1% | 47 |
| LAS ONT Harry Reid International Airport – Ontario International Airport | 317 | 10.4 min | 76.2% | 42 |
| DEN MKE Denver International Airport – General Mitchell International Airport | 1,438 | 10.4 min | 78.1% | 41 |
| MDW PHX Chicago Midway International Airport – Phoenix Sky Harbor International Airport | 2,319 | 11.3 min | 76.5% | 35 |
| PHX DAL Phoenix Sky Harbor International Airport – Dallas Love Field | 1,412 | 27.1 min | 55.9% | 34 |
| ATL MDW Hartsfield Jackson Atlanta International Airport – Chicago Midway International Airport | 952 | 3.7 min | 94.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 25 | 25 | 68.0% | 0 |
| December 2024 | 29 | 29 | 48.3% | 0 |
| January 2025 | 30 | 29 | 75.9% | 1 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 27 | 27 | 85.2% | 0 |
| April 2025 | 29 | 29 | 79.3% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 42 | 42 | 88.1% | 0 |
| July 2025 | 44 | 43 | 69.8% | 1 |
| August 2025 | 25 | 23 | 78.3% | 2 |
| September 2025 | 22 | 22 | 72.7% | 0 |
| October 2025 | 44 | 44 | 77.3% | 0 |
| November 2025 | 53 | 53 | 67.9% | 0 |
| December 2025 | 39 | 39 | 87.2% | 0 |
| January 2026 | 33 | 33 | 84.9% | 0 |
| February 2026 | 18 | 18 | 88.9% | 0 |
| March 2026 | 13 | 13 | 53.9% | 0 |
| April 2026 | 29 | 29 | 93.1% | 0 |
| May 2026 | 35 | 35 | 94.3% | 0 |
| June 2026 | 26 | 26 | 53.9% | 0 |
| July 2026 | 27 | 27 | 88.9% | 0 |