WN2509
WN2509 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Baltimore to San Juan. Of 637 departures recorded from October 2024 to July 2026, 73.5% left on time, according to the US BTS.
- On-time departures73.5%of 637 flights
- Average delay15.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number30
according to the US BTS · Oct 15, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 7 | 14 | ▲ 100.0% |
| February | 2 | 19 | ▲ 850.0% |
| March | 39 | 29 | ▼ 25.6% |
| April | 53 | 24 | ▼ 54.7% |
| May | 58 | 22 | ▼ 62.1% |
| June | 33 | 30 | ▼ 9.1% |
| July | 31 | 31 | 0.0% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 54 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 223 | 169 | ▼ 24.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 57.1% | 84.6% | ▲ 48.1% |
| February | 100.0% | 55.6% | ▼ 44.4% |
| March | 87.2% | 86.2% | ▼ 1.1% |
| April | 73.6% | 87.5% | ▲ 18.9% |
| May | 65.5% | 50.0% | ▼ 23.7% |
| June | 66.7% | 96.6% | ▲ 44.8% |
| July | 40.0% | 96.8% | ▲ 141.9% |
| August | 50.0% | – | – |
| September | 63.3% | – | – |
| October | 83.3% | – | in progress |
| November | 77.8% | – | – |
| December | 65.5% | – | – |
| Year-to-date average (Jan–Jul) | 70.0% | 79.6% | ▲ 13.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.4% 633
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI SJU Baltimore/Washington International Thurgood Marshall Airport – Luis Munoz Marin International Airport | 2,525 | 45.0 min | 50.9% | 60 |
| MSY DCA Louis Armstrong New Orleans International Airport – Ronald Reagan Washington National Airport | 1,560 | 23.8 min | 58.6% | 58 |
| LIH HNL Lihue Airport – Daniel K. Inouye International Airport | 163 | -4.4 min | 100.0% | 57 |
| SAT LAX San Antonio International Airport – Los Angeles International Airport | 1,945 | 16.5 min | 68.0% | 50 |
| JAX BNA Jacksonville International Airport – Nashville International Airport | 779 | 13.8 min | 64.3% | 42 |
| BNA BOS Nashville International Airport – Boston Logan International Airport | 1,514 | 33.1 min | 54.3% | 35 |
| TPA PIT Tampa International Airport – Pittsburgh International Airport | 1,408 | 4.8 min | 90.9% | 33 |
| LAX SJC Los Angeles International Airport – Mineta San Jose International Airport | 496 | 8.3 min | 75.0% | 32 |
| MCO AUS Orlando International Airport – Austin Bergstrom International Airport | 1,596 | 14.6 min | 64.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 27 | 27 | 77.8% | 0 |
| December 2024 | 36 | 36 | 72.2% | 0 |
| January 2025 | 7 | 7 | 57.1% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 39 | 39 | 87.2% | 0 |
| April 2025 | 53 | 53 | 73.6% | 0 |
| May 2025 | 58 | 58 | 65.5% | 0 |
| June 2025 | 33 | 33 | 66.7% | 0 |
| July 2025 | 31 | 30 | 40.0% | 1 |
| August 2025 | 30 | 30 | 50.0% | 0 |
| September 2025 | 30 | 30 | 63.3% | 0 |
| October 2025 | 54 | 54 | 83.3% | 0 |
| November 2025 | 27 | 27 | 77.8% | 0 |
| December 2025 | 29 | 29 | 65.5% | 0 |
| January 2026 | 14 | 13 | 84.6% | 1 |
| February 2026 | 19 | 18 | 55.6% | 1 |
| March 2026 | 29 | 29 | 86.2% | 0 |
| April 2026 | 24 | 24 | 87.5% | 0 |
| May 2026 | 22 | 22 | 50.0% | 0 |
| June 2026 | 30 | 29 | 96.6% | 1 |
| July 2026 | 31 | 31 | 96.8% | 0 |