WN4415
WN4415 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Raleigh to Baltimore. Of 513 departures recorded from October 2024 to July 2026, 73.0% left on time, according to the US BTS.
- On-time departures73.0%of 513 flights
- Average delay13.2 min
- July 202618
- Cancelled1.2%
- Legs flown under this number19
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 | 42 | 30 | ▼ 28.6% |
| February | 33 | 28 | ▼ 15.2% |
| March | 32 | 31 | ▼ 3.1% |
| April | 31 | 40 | ▲ 29.0% |
| May | 35 | 44 | ▲ 25.7% |
| June | 5 | 20 | ▲ 300.0% |
| July | – | 18 | – |
| August | 23 | – | – |
| September | 25 | – | – |
| October | 4 | – | in progress |
| November | 17 | – | – |
| December | 15 | – | – |
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 | 82.5% | 71.4% | ▼ 13.4% |
| February | 93.9% | 76.9% | ▼ 18.1% |
| March | 87.5% | 80.7% | ▼ 7.8% |
| April | 61.3% | 92.5% | ▲ 50.9% |
| May | 57.1% | 77.3% | ▲ 35.2% |
| June | 100.0% | 35.0% | ▼ 65.0% |
| July | – | 27.8% | – |
| August | 43.5% | – | – |
| September | 68.0% | – | – |
| October | 50.0% | – | in progress |
| November | 82.4% | – | – |
| December | 53.3% | – | – |
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 | 2 | 2 | 0.0% |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 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 98.8% 507
- Cancelled 1.2% 6
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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU BWI Raleigh-Durham International Airport – Baltimore/Washington International Thurgood Marshall Airport | 411 | 1.4 min | 89.2% | 75 |
| SRQ BNA Sarasota Bradenton International Airport – Nashville International Airport | 1,046 | 4.2 min | 94.8% | 58 |
| BWI CMH Baltimore/Washington International Thurgood Marshall Airport – John Glenn Columbus International Airport | 541 | 7.4 min | 77.8% | 58 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 16.9 min | 64.9% | 57 |
| TPA BNA Tampa International Airport – Nashville International Airport | 987 | 19.7 min | 57.5% | 40 |
| SMF BOI Sacramento International Airport – Boise Air Terminal/Gowen Field | 703 | 6.9 min | 84.9% | 33 |
| DAL SAT Dallas Love Field – San Antonio International Airport | 399 | 52.3 min | 24.2% | 33 |
| BNA SRQ Nashville International Airport – Sarasota Bradenton International Airport | 1,046 | 22.3 min | 78.1% | 32 |
| SRQ HOU Sarasota Bradenton International Airport – William P. Hobby Airport | 1,267 | 14.1 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| November 2024 | 12 | 12 | 100.0% | 0 |
| December 2024 | 16 | 16 | 87.5% | 0 |
| January 2025 | 42 | 40 | 82.5% | 2 |
| February 2025 | 33 | 33 | 93.9% | 0 |
| March 2025 | 32 | 32 | 87.5% | 0 |
| April 2025 | 31 | 31 | 61.3% | 0 |
| May 2025 | 35 | 35 | 57.1% | 0 |
| June 2025 | 5 | 5 | 100.0% | 0 |
| August 2025 | 23 | 23 | 43.5% | 0 |
| September 2025 | 25 | 25 | 68.0% | 0 |
| October 2025 | 4 | 4 | 50.0% | 0 |
| November 2025 | 17 | 17 | 82.4% | 0 |
| December 2025 | 15 | 15 | 53.3% | 0 |
| January 2026 | 30 | 28 | 71.4% | 2 |
| February 2026 | 28 | 26 | 76.9% | 2 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 40 | 40 | 92.5% | 0 |
| May 2026 | 44 | 44 | 77.3% | 0 |
| June 2026 | 20 | 20 | 35.0% | 0 |
| July 2026 | 18 | 18 | 27.8% | 0 |