WN3628
WN3628 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Baltimore to Islip. Of 431 departures recorded from October 2024 to July 2026, 78.3% left on time, according to the US BTS.
- On-time departures78.3%of 431 flights
- Average delay15.6 min
- July 20264▼ 89.7%vs July 2025
- Cancelled0.5%
- Legs flown under this number27
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 8 | – | – |
| February | 19 | 10 | ▼ 47.4% |
| March | 29 | 12 | ▼ 58.6% |
| April | 36 | 26 | ▼ 27.8% |
| May | 40 | 31 | ▼ 22.5% |
| June | 39 | 7 | ▼ 82.1% |
| July | 39 | 4 | ▼ 89.7% |
| August | 44 | – | – |
| September | 43 | – | – |
| October | 31 | – | in progress |
| November | 4 | – | – |
| December | 3 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | – | – |
| February | 84.2% | 70.0% | ▼ 16.9% |
| March | 82.8% | 83.3% | ▲ 0.7% |
| April | 83.3% | 80.8% | ▼ 3.1% |
| May | 72.5% | 83.9% | ▲ 15.7% |
| June | 79.0% | 57.1% | ▼ 27.6% |
| July | 79.0% | 25.0% | ▼ 68.3% |
| August | 54.6% | – | – |
| September | 88.4% | – | – |
| October | 80.7% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.5% 429
- Cancelled 0.5% 2
Share of all recorded flights in the period, all legs. · Oct 15, 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 |
|---|---|---|---|---|
| MDW PHL Chicago Midway International Airport – Philadelphia International Airport | 1,073 | 14.6 min | 74.1% | 58 |
| BWI ISP Baltimore/Washington International Thurgood Marshall Airport – Long Island MacArthur Airport | 353 | 31.9 min | 74.1% | 58 |
| OMA DCA Eppley Airfield – Ronald Reagan Washington National Airport | 1,624 | 6.8 min | 82.5% | 57 |
| PHX LAS Phoenix Sky Harbor International Airport – Harry Reid International Airport | 411 | -2.1 min | 97.0% | 34 |
| MCI MCO Kansas City International Airport – Orlando International Airport | 1,726 | 14.5 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 100.0% | 0 |
| January 2025 | 8 | 8 | 100.0% | 0 |
| February 2025 | 19 | 19 | 84.2% | 0 |
| March 2025 | 29 | 29 | 82.8% | 0 |
| April 2025 | 36 | 36 | 83.3% | 0 |
| May 2025 | 40 | 40 | 72.5% | 0 |
| June 2025 | 39 | 38 | 79.0% | 1 |
| July 2025 | 39 | 38 | 79.0% | 1 |
| August 2025 | 44 | 44 | 54.6% | 0 |
| September 2025 | 43 | 43 | 88.4% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 3 | 3 | 100.0% | 0 |
| February 2026 | 10 | 10 | 70.0% | 0 |
| March 2026 | 12 | 12 | 83.3% | 0 |
| April 2026 | 26 | 26 | 80.8% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 7 | 7 | 57.1% | 0 |
| July 2026 | 4 | 4 | 25.0% | 0 |