WN3387
WN3387 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Pittsburgh to Baltimore. Of 401 departures recorded from October 2024 to July 2026, 71.5% left on time, according to the US BTS.
- On-time departures71.5%of 401 flights
- Average delay16.6 min
- July 202627▲ 42.1%vs July 2025
- Cancelled0.3%
- Legs flown under this number20
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 | 2 | 6 | ▲ 200.0% |
| February | – | 8 | – |
| March | 26 | 1 | ▼ 96.2% |
| April | 39 | 3 | ▼ 92.3% |
| May | 45 | 5 | ▼ 88.9% |
| June | 19 | 23 | ▲ 21.1% |
| July | 19 | 27 | ▲ 42.1% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 35 | – | in progress |
| November | 20 | – | – |
| December | 18 | – | – |
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% | 66.7% | ▼ 33.3% |
| February | – | 75.0% | – |
| March | 57.7% | 100.0% | ▲ 73.3% |
| April | 84.6% | 100.0% | ▲ 18.2% |
| May | 73.3% | 80.0% | ▲ 9.1% |
| June | 84.2% | 47.8% | ▼ 43.2% |
| July | 94.7% | 33.3% | ▼ 64.8% |
| August | 64.3% | – | – |
| September | 80.0% | – | – |
| October | 60.0% | – | in progress |
| November | 80.0% | – | – |
| December | 66.7% | – | – |
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 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 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 99.8% 400
- Cancelled 0.2% 1
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 |
|---|---|---|---|---|
| PIT BWI Pittsburgh International Airport – Baltimore/Washington International Thurgood Marshall Airport | 338 | 12.7 min | 82.8% | 58 |
| BNA DAL Nashville International Airport – Dallas Love Field | 1,000 | 21.0 min | 71.9% | 57 |
| PIT STL Pittsburgh International Airport – St. Louis Lambert International Airport | 889 | 25.3 min | 40.0% | 50 |
| PIT FLL Pittsburgh International Airport – Fort Lauderdale Hollywood International Airport | 1,603 | 4.1 min | 88.6% | 35 |
| BWI AUS Baltimore/Washington International Thurgood Marshall Airport – Austin Bergstrom International Airport | 2,156 | 15.7 min | 60.6% | 33 |
| DAL BNA Dallas Love Field – Nashville International Airport | 1,000 | 40.9 min | 58.1% | 31 |
| LAS SNA Harry Reid International Airport – John Wayne Orange County International Airport | 365 | 16.4 min | 70.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 94.1% | 0 |
| November 2024 | 20 | 19 | 89.5% | 1 |
| December 2024 | 10 | 10 | 70.0% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 26 | 26 | 57.7% | 0 |
| April 2025 | 39 | 39 | 84.6% | 0 |
| May 2025 | 45 | 45 | 73.3% | 0 |
| June 2025 | 19 | 19 | 84.2% | 0 |
| July 2025 | 19 | 19 | 94.7% | 0 |
| August 2025 | 28 | 28 | 64.3% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 35 | 35 | 60.0% | 0 |
| November 2025 | 20 | 20 | 80.0% | 0 |
| December 2025 | 18 | 18 | 66.7% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| February 2026 | 8 | 8 | 75.0% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 3 | 3 | 100.0% | 0 |
| May 2026 | 5 | 5 | 80.0% | 0 |
| June 2026 | 23 | 23 | 47.8% | 0 |
| July 2026 | 27 | 27 | 33.3% | 0 |