WN4929
WN4929 (Southwest Airlines) is a multi-stop service on 7 routes, busiest Baltimore to Los Angeles. Of 196 departures recorded from October 2024 to July 2026, 69.6% left on time, according to the US BTS.
- On-time departures69.6%of 196 flights
- Average delay10.4 min
- July 202630
- Cancelled2.6%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 30 | ▲ 500.0% |
| February | 18 | 26 | ▲ 44.4% |
| March | 5 | 4 | ▼ 20.0% |
| April | – | – | – |
| May | – | – | – |
| June | – | 27 | – |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 42.3% | ▼ 15.4% |
| February | 77.8% | 53.9% | ▼ 30.8% |
| March | 60.0% | 50.0% | ▼ 16.7% |
| April | – | – | – |
| May | – | – | – |
| June | – | 100.0% | – |
| July | – | 90.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0.0% | – | – |
| December | – | – | – |
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 periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 4 | ▲ 300.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 97.4% 191
- Cancelled 2.6% 5
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI LAX Baltimore/Washington International Thurgood Marshall Airport – Los Angeles International Airport | 3,740 | 10.8 min | 65.7% | 71 |
| PIT TPA Pittsburgh International Airport – Tampa International Airport | 1,408 | 1.1 min | 94.7% | 57 |
| DAL LAX Dallas Love Field – Los Angeles International Airport | 2,002 | 19.0 min | 49.1% | 55 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 25 | 25 | 72.0% | 0 |
| December 2024 | 22 | 22 | 54.6% | 0 |
| January 2025 | 5 | 4 | 50.0% | 1 |
| February 2025 | 18 | 18 | 77.8% | 0 |
| March 2025 | 5 | 5 | 60.0% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| January 2026 | 30 | 26 | 42.3% | 4 |
| February 2026 | 26 | 26 | 53.9% | 0 |
| March 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 27 | 27 | 100.0% | 0 |
| July 2026 | 30 | 30 | 90.0% | 0 |