WN3573
WN3573 (Southwest Airlines) is a multi-stop service on 17 routes, busiest New York to Atlanta. Of 442 departures recorded from October 2024 to July 2026, 77.4% left on time, according to the US BTS.
- On-time departures77.4%of 442 flights
- Average delay15.3 min
- July 202630▲ 2,900.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number17
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 | 29 | 28 | ▼ 3.4% |
| February | 26 | 28 | ▲ 7.7% |
| March | 4 | 8 | ▲ 100.0% |
| April | 20 | 43 | ▲ 115.0% |
| May | 28 | 52 | ▲ 85.7% |
| June | 3 | 33 | ▲ 1,000.0% |
| July | 1 | 30 | ▲ 2,900.0% |
| August | 3 | – | – |
| September | 4 | – | – |
| October | 1 | – | in progress |
| November | 24 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 111 | 222 | ▲ 100.0% |
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 | 82.1% | 89.3% | ▲ 8.7% |
| February | 80.8% | 92.9% | ▲ 15.0% |
| March | 50.0% | 75.0% | ▲ 50.0% |
| April | 55.0% | 83.7% | ▲ 52.2% |
| May | 88.5% | 86.5% | ▼ 2.2% |
| June | 66.7% | 78.8% | ▲ 18.2% |
| July | 0.0% | 60.0% | – |
| August | 0.0% | – | – |
| September | 75.0% | – | – |
| October | 0.0% | – | in progress |
| November | 83.3% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 60.4% | 80.9% | ▲ 33.8% |
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 | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 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 99.1% 438
- Cancelled 0.9% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA ATL LaGuardia Airport – Hartsfield Jackson Atlanta International Airport | 1,225 | 21.0 min | 71.0% | 102 |
| SJU MCO Luis Munoz Marin International Airport – Orlando International Airport | 1,913 | 11.2 min | 93.1% | 58 |
| LAX OAK Los Angeles International Airport – Oakland San Francisco Bay Airport | 543 | 15.2 min | 73.5% | 51 |
| MCO BWI Orlando International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,269 | 9.6 min | 80.4% | 46 |
| SAT HOU San Antonio International Airport – William P. Hobby Airport | 309 | 39.7 min | 59.5% | 42 |
| PDX OAK Portland International Airport – Oakland San Francisco Bay Airport | 876 | -3.7 min | 97.6% | 42 |
| OAK AUS Oakland San Francisco Bay Airport – Austin Bergstrom International Airport | 2,406 | 10.9 min | 79.4% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 25 | 25 | 64.0% | 0 |
| December 2024 | 23 | 22 | 50.0% | 1 |
| January 2025 | 29 | 28 | 82.1% | 1 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 4 | 4 | 50.0% | 0 |
| April 2025 | 20 | 20 | 55.0% | 0 |
| May 2025 | 28 | 26 | 88.5% | 2 |
| June 2025 | 3 | 3 | 66.7% | 0 |
| July 2025 | 1 | 1 | 0.0% | 0 |
| August 2025 | 3 | 3 | 0.0% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 1 | 1 | 0.0% | 0 |
| November 2025 | 24 | 24 | 83.3% | 0 |
| December 2025 | 20 | 20 | 80.0% | 0 |
| January 2026 | 28 | 28 | 89.3% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 8 | 8 | 75.0% | 0 |
| April 2026 | 43 | 43 | 83.7% | 0 |
| May 2026 | 52 | 52 | 86.5% | 0 |
| June 2026 | 33 | 33 | 78.8% | 0 |
| July 2026 | 30 | 30 | 60.0% | 0 |