WN900
WN900 (Southwest Airlines) is a multi-stop service on 33 routes, busiest San Juan to Tampa. Of 701 departures recorded from October 2024 to July 2026, 77.5% left on time, according to the US BTS.
- On-time departures77.5%of 701 flights
- Average delay13.9 min
- July 202638▲ 81.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number33
Recorded departures by month
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 | 36 | 32 | ▼ 11.1% |
| February | 35 | 28 | ▼ 20.0% |
| March | 32 | 31 | ▼ 3.1% |
| April | 30 | 29 | ▼ 3.3% |
| May | 31 | 31 | 0.0% |
| June | 24 | 38 | ▲ 58.3% |
| July | 21 | 38 | ▲ 81.0% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 37 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 209 | 227 | ▲ 8.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 72.2% | 83.3% | ▲ 15.4% |
| February | 82.9% | 96.4% | ▲ 16.4% |
| March | 71.9% | 80.7% | ▲ 12.2% |
| April | 80.0% | 93.1% | ▲ 16.4% |
| May | 74.2% | 100.0% | ▲ 34.8% |
| June | 73.9% | 84.2% | ▲ 13.9% |
| July | 60.0% | 68.4% | ▲ 14.0% |
| August | 38.7% | – | – |
| September | 72.4% | – | – |
| October | 35.5% | – | in progress |
| November | 94.6% | – | – |
| December | 86.5% | – | – |
| Year-to-date average (Jan–Jul) | 73.6% | 86.6% | ▲ 17.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| 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 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 99.4% 697
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJU TPA Luis Munoz Marin International Airport – Tampa International Airport | 1,991 | 5.1 min | 81.4% | 97 |
| BHM MCO Birmingham-Shuttlesworth International Airport – Orlando International Airport | 771 | 12.2 min | 89.1% | 64 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 40.4 min | 50.9% | 57 |
| BOS STL Boston Logan International Airport – St. Louis Lambert International Airport | 1,680 | -3.4 min | 100.0% | 57 |
| ATL HOU Hartsfield Jackson Atlanta International Airport – William P. Hobby Airport | 1,118 | 15.7 min | 72.0% | 50 |
| DAL AMA Dallas Love Field – Rick Husband Amarillo International Airport | 520 | 4.4 min | 88.9% | 47 |
| BWI CHS Baltimore/Washington International Thurgood Marshall Airport – Charleston International Airport | 761 | 12.9 min | 68.9% | 45 |
| MDW PVD Chicago Midway International Airport – Rhode Island T. F. Green International Airport | 1,352 | 17.6 min | 75.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 37 | 37 | 91.9% | 0 |
| November 2024 | 32 | 32 | 71.9% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 36 | 36 | 72.2% | 0 |
| February 2025 | 35 | 35 | 82.9% | 0 |
| March 2025 | 32 | 32 | 71.9% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 24 | 23 | 73.9% | 1 |
| July 2025 | 21 | 20 | 60.0% | 1 |
| August 2025 | 31 | 31 | 38.7% | 0 |
| September 2025 | 29 | 29 | 72.4% | 0 |
| October 2025 | 31 | 31 | 35.5% | 0 |
| November 2025 | 37 | 37 | 94.6% | 0 |
| December 2025 | 37 | 37 | 86.5% | 0 |
| January 2026 | 32 | 30 | 83.3% | 2 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 29 | 29 | 93.1% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 38 | 38 | 84.2% | 0 |
| July 2026 | 38 | 38 | 68.4% | 0 |