WN3571
WN3571 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Phoenix to Baltimore. Of 523 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 523 flights
- Average delay16.3 min
- July 20268▼ 75.8%vs July 2025
- Cancelled2.7%
- Legs flown under this number26
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 | 49 | 5 | ▼ 89.8% |
| February | 40 | 3 | ▼ 92.5% |
| March | 23 | 12 | ▼ 47.8% |
| April | 7 | 35 | ▲ 400.0% |
| May | 4 | 39 | ▲ 875.0% |
| June | 27 | 13 | ▼ 51.9% |
| July | 33 | 8 | ▼ 75.8% |
| August | 22 | – | – |
| September | 21 | – | – |
| October | 47 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 183 | 115 | ▼ 37.2% |
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 | 85.4% | 100.0% | ▲ 17.1% |
| February | 90.0% | 100.0% | ▲ 11.1% |
| March | 54.6% | 60.0% | ▲ 10.0% |
| April | 71.4% | 97.1% | ▲ 36.0% |
| May | 50.0% | 89.7% | ▲ 79.5% |
| June | 36.0% | 69.2% | ▲ 92.3% |
| July | 51.9% | 62.5% | ▲ 20.5% |
| August | 31.8% | – | – |
| September | 57.1% | – | – |
| October | 63.8% | – | in progress |
| November | 100.0% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 62.8% | 82.7% | ▲ 31.7% |
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 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 6 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 10 | 3 | ▼ 70.0% |
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 97.3% 509
- Cancelled 2.7% 14
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 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 |
|---|---|---|---|---|
| PHX BWI Phoenix Sky Harbor International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,209 | 4.9 min | 87.9% | 108 |
| SJU MCO Luis Munoz Marin International Airport – Orlando International Airport | 1,913 | 0.8 min | 96.8% | 64 |
| LGA STL LaGuardia Airport – St. Louis Lambert International Airport | 1,426 | 61.9 min | 42.3% | 60 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 0.7 min | 94.8% | 58 |
| MCO CMH Orlando International Airport – John Glenn Columbus International Airport | 1,295 | 32.9 min | 41.0% | 39 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 27 | 27 | 85.2% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 49 | 48 | 85.4% | 1 |
| February 2025 | 40 | 40 | 90.0% | 0 |
| March 2025 | 23 | 22 | 54.6% | 1 |
| April 2025 | 7 | 7 | 71.4% | 0 |
| May 2025 | 4 | 4 | 50.0% | 0 |
| June 2025 | 27 | 25 | 36.0% | 2 |
| July 2025 | 33 | 27 | 51.9% | 6 |
| August 2025 | 22 | 22 | 31.8% | 0 |
| September 2025 | 21 | 21 | 57.1% | 0 |
| October 2025 | 47 | 47 | 63.8% | 0 |
| November 2025 | 29 | 28 | 100.0% | 1 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 5 | 4 | 100.0% | 1 |
| February 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 12 | 10 | 60.0% | 2 |
| April 2026 | 35 | 35 | 97.1% | 0 |
| May 2026 | 39 | 39 | 89.7% | 0 |
| June 2026 | 13 | 13 | 69.2% | 0 |
| July 2026 | 8 | 8 | 62.5% | 0 |