WN3137
WN3137 (Southwest Airlines) is a multi-stop service on 26 routes, busiest San Juan to Baltimore. Of 497 departures recorded from October 2024 to July 2026, 70.0% left on time, according to the US BTS.
- On-time departures70.0%of 497 flights
- Average delay17.1 min
- July 202627▼ 37.2%vs July 2025
- Cancelled0.0%
- Legs flown under this number26
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 | 9 | 4 | ▼ 55.6% |
| February | 3 | 10 | ▲ 233.3% |
| March | 21 | 35 | ▲ 66.7% |
| April | 5 | 31 | ▲ 520.0% |
| May | – | 31 | – |
| June | 38 | 26 | ▼ 31.6% |
| July | 43 | 27 | ▼ 37.2% |
| August | 22 | – | – |
| September | 17 | – | – |
| October | 1 | – | in progress |
| November | 46 | – | – |
| December | 38 | – | – |
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 | 33.3% | 0.0% | ▼ 100.0% |
| February | 100.0% | 90.0% | ▼ 10.0% |
| March | 85.7% | 94.3% | ▲ 10.0% |
| April | 100.0% | 77.4% | ▼ 22.6% |
| May | – | 64.5% | – |
| June | 50.0% | 53.9% | ▲ 7.7% |
| July | 53.5% | 59.3% | ▲ 10.8% |
| August | 81.8% | – | – |
| September | 94.1% | – | – |
| October | 100.0% | – | in progress |
| November | 63.0% | – | – |
| December | 76.3% | – | – |
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 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 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 100.0% 497
- Cancelled 0.0% 0
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJU BWI Luis Munoz Marin International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,525 | 15.2 min | 69.0% | 58 |
| LAS PSP Harry Reid International Airport – Palm Springs International Airport | 279 | 17.6 min | 67.4% | 43 |
| HOU PHX William P. Hobby Airport – Phoenix Sky Harbor International Airport | 1,638 | 33.8 min | 44.2% | 43 |
| OMA PHX Eppley Airfield – Phoenix Sky Harbor International Airport | 1,667 | 26.9 min | 47.6% | 42 |
| PHX ABQ Phoenix Sky Harbor International Airport – Albuquerque International Sunport | 527 | 32.8 min | 60.0% | 35 |
| LAS CLE Harry Reid International Airport – Cleveland Hopkins International Airport | 2,929 | 3.9 min | 90.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 100.0% | 0 |
| November 2024 | 50 | 50 | 74.0% | 0 |
| December 2024 | 36 | 36 | 75.0% | 0 |
| January 2025 | 9 | 9 | 33.3% | 0 |
| February 2025 | 3 | 3 | 100.0% | 0 |
| March 2025 | 21 | 21 | 85.7% | 0 |
| April 2025 | 5 | 5 | 100.0% | 0 |
| June 2025 | 38 | 38 | 50.0% | 0 |
| July 2025 | 43 | 43 | 53.5% | 0 |
| August 2025 | 22 | 22 | 81.8% | 0 |
| September 2025 | 17 | 17 | 94.1% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 46 | 46 | 63.0% | 0 |
| December 2025 | 38 | 38 | 76.3% | 0 |
| January 2026 | 4 | 4 | 0.0% | 0 |
| February 2026 | 10 | 10 | 90.0% | 0 |
| March 2026 | 35 | 35 | 94.3% | 0 |
| April 2026 | 31 | 31 | 77.4% | 0 |
| May 2026 | 31 | 31 | 64.5% | 0 |
| June 2026 | 26 | 26 | 53.9% | 0 |
| July 2026 | 27 | 27 | 59.3% | 0 |