WN3244
WN3244 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Boston to Baltimore. Of 491 departures recorded from October 2024 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 491 flights
- Average delay16.1 min
- July 202612▼ 72.7%vs July 2025
- Cancelled1.8%
- Legs flown under this number30
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 | 5 | 23 | ▲ 360.0% |
| February | 10 | 27 | ▲ 170.0% |
| March | 62 | 35 | ▼ 43.5% |
| April | 39 | 18 | ▼ 53.8% |
| May | 31 | 12 | ▼ 61.3% |
| June | 42 | 13 | ▼ 69.0% |
| July | 44 | 12 | ▼ 72.7% |
| August | 6 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 25 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 233 | 140 | ▼ 39.9% |
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 | 60.0% | 95.5% | ▲ 59.1% |
| February | 70.0% | 66.7% | ▼ 4.8% |
| March | 80.7% | 60.0% | ▼ 25.6% |
| April | 94.9% | 82.4% | ▼ 13.2% |
| May | 90.3% | 100.0% | ▲ 10.7% |
| June | 39.0% | 69.2% | ▲ 77.4% |
| July | 38.5% | 58.3% | ▲ 51.7% |
| August | 16.7% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 87.5% | – | – |
| December | 95.0% | – | – |
| Year-to-date average (Jan–Jul) | 67.6% | 76.0% | ▲ 12.4% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 5 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 2 | ▼ 66.7% |
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 98.2% 482
- Cancelled 1.8% 9
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| BOS BWI Boston Logan International Airport – Baltimore/Washington International Thurgood Marshall Airport | 594 | 51.7 min | 37.0% | 52 |
| PHX TUL Phoenix Sky Harbor International Airport – Tulsa International Airport | 1,501 | 9.4 min | 79.6% | 50 |
| AUS BNA Austin Bergstrom International Airport – Nashville International Airport | 1,215 | 0.3 min | 98.0% | 50 |
| LAS PHX Harry Reid International Airport – Phoenix Sky Harbor International Airport | 411 | 0.6 min | 93.0% | 44 |
| DEN BOS Denver International Airport – Boston Logan International Airport | 2,816 | 47.1 min | 30.6% | 36 |
| HRL HOU Valley International Airport – William P. Hobby Airport | 446 | 25.7 min | 60.6% | 33 |
| OAK ONT Oakland San Francisco Bay Airport – Ontario International Airport | 582 | -0.0 min | 96.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 76.2% | 0 |
| November 2024 | 6 | 6 | 66.7% | 0 |
| December 2024 | 10 | 10 | 80.0% | 0 |
| January 2025 | 5 | 5 | 60.0% | 0 |
| February 2025 | 10 | 10 | 70.0% | 0 |
| March 2025 | 62 | 62 | 80.7% | 0 |
| April 2025 | 39 | 39 | 94.9% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 42 | 41 | 39.0% | 1 |
| July 2025 | 44 | 39 | 38.5% | 5 |
| August 2025 | 6 | 6 | 16.7% | 0 |
| October 2025 | 30 | 30 | 100.0% | 0 |
| November 2025 | 25 | 24 | 87.5% | 1 |
| December 2025 | 20 | 20 | 95.0% | 0 |
| January 2026 | 23 | 22 | 95.5% | 1 |
| February 2026 | 27 | 27 | 66.7% | 0 |
| March 2026 | 35 | 35 | 60.0% | 0 |
| April 2026 | 18 | 17 | 82.4% | 1 |
| May 2026 | 12 | 12 | 100.0% | 0 |
| June 2026 | 13 | 13 | 69.2% | 0 |
| July 2026 | 12 | 12 | 58.3% | 0 |