WN533
WN533 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Chicago to New York. Of 694 departures recorded from October 2024 to July 2026, 68.7% left on time, according to the US BTS.
- On-time departures68.7%of 694 flights
- Average delay17.0 min
- July 202635▲ 12.9%vs July 2025
- Cancelled0.4%
- Legs flown under this number33
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 | 26 | 28 | ▲ 7.7% |
| March | 15 | 69 | ▲ 360.0% |
| April | 14 | 32 | ▲ 128.6% |
| May | 14 | 22 | ▲ 57.1% |
| June | 28 | 34 | ▲ 21.4% |
| July | 31 | 35 | ▲ 12.9% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 43 | – | in progress |
| November | 57 | – | – |
| December | 39 | – | – |
| Year to date (Jan–Jul) | 158 | 253 | ▲ 60.1% |
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% | 72.7% | ▼ 4.1% |
| February | 80.8% | 75.0% | ▼ 7.1% |
| March | 86.7% | 89.9% | ▲ 3.7% |
| April | 92.9% | 68.8% | ▼ 26.0% |
| May | 50.0% | 40.9% | ▼ 18.2% |
| June | 28.6% | 38.2% | ▲ 33.8% |
| July | 46.7% | 37.1% | ▼ 20.4% |
| August | 96.3% | – | – |
| September | 100.0% | – | – |
| October | 72.1% | – | in progress |
| November | 71.4% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 65.9% | 60.4% | ▼ 8.4% |
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 | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 99.6% 691
- Cancelled 0.4% 3
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW LGA Chicago Midway International Airport – LaGuardia Airport | 1,164 | 16.3 min | 67.9% | 110 |
| MCO STL Orlando International Airport – St. Louis Lambert International Airport | 1,420 | 48.3 min | 41.7% | 61 |
| MCO MCI Orlando International Airport – Kansas City International Airport | 1,726 | 12.1 min | 75.9% | 58 |
| ONT LAS Ontario International Airport – Harry Reid International Airport | 317 | 3.1 min | 89.3% | 56 |
| BNA HOU Nashville International Airport – William P. Hobby Airport | 1,078 | 35.3 min | 26.0% | 50 |
| OAK LAS Oakland San Francisco Bay Airport – Harry Reid International Airport | 654 | 31.1 min | 45.2% | 42 |
| DEN ONT Denver International Airport – Ontario International Airport | 1,316 | 9.5 min | 80.5% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 32 | 32 | 81.3% | 0 |
| December 2024 | 39 | 39 | 51.3% | 0 |
| January 2025 | 30 | 29 | 75.9% | 1 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 15 | 15 | 86.7% | 0 |
| April 2025 | 14 | 14 | 92.9% | 0 |
| May 2025 | 14 | 14 | 50.0% | 0 |
| June 2025 | 28 | 28 | 28.6% | 0 |
| July 2025 | 31 | 30 | 46.7% | 1 |
| August 2025 | 27 | 27 | 96.3% | 0 |
| September 2025 | 26 | 26 | 100.0% | 0 |
| October 2025 | 43 | 43 | 72.1% | 0 |
| November 2025 | 57 | 56 | 71.4% | 1 |
| December 2025 | 39 | 39 | 66.7% | 0 |
| January 2026 | 33 | 33 | 72.7% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 69 | 69 | 89.9% | 0 |
| April 2026 | 32 | 32 | 68.8% | 0 |
| May 2026 | 22 | 22 | 40.9% | 0 |
| June 2026 | 34 | 34 | 38.2% | 0 |
| July 2026 | 35 | 35 | 37.1% | 0 |