WN3645
WN3645 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Raleigh to Baltimore. Of 362 departures recorded from October 2024 to July 2026, 64.9% left on time, according to the US BTS.
- On-time departures64.9%of 362 flights
- Average delay18.0 min
- July 202618▲ 5.9%vs July 2025
- Cancelled0.8%
- Legs flown under this number24
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 | 5 | 3 | ▼ 40.0% |
| February | 2 | – | – |
| March | 26 | 27 | ▲ 3.8% |
| April | 15 | 26 | ▲ 73.3% |
| May | 9 | 28 | ▲ 211.1% |
| June | 18 | 18 | 0.0% |
| July | 17 | 18 | ▲ 5.9% |
| August | 38 | – | – |
| September | 39 | – | – |
| October | 6 | – | in progress |
| November | 7 | – | – |
| December | 13 | – | – |
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 | 80.0% | 66.7% | ▼ 16.7% |
| February | 100.0% | – | – |
| March | 76.9% | 65.4% | ▼ 15.0% |
| April | 80.0% | 73.1% | ▼ 8.7% |
| May | 100.0% | 32.1% | ▼ 67.9% |
| June | 61.1% | 16.7% | ▼ 72.7% |
| July | 76.5% | 27.8% | ▼ 63.7% |
| August | 77.8% | – | – |
| September | 82.1% | – | – |
| October | 66.7% | – | in progress |
| November | 28.6% | – | – |
| December | 15.4% | – | – |
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 | – | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 2 | – | – |
| 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 99.2% 359
- Cancelled 0.8% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU BWI Raleigh-Durham International Airport – Baltimore/Washington International Thurgood Marshall Airport | 411 | 3.6 min | 80.7% | 57 |
| MDW ATL Chicago Midway International Airport – Hartsfield Jackson Atlanta International Airport | 952 | 11.2 min | 77.6% | 50 |
| PHX BHM Phoenix Sky Harbor International Airport – Birmingham-Shuttlesworth International Airport | 2,336 | 17.4 min | 69.4% | 36 |
| SFO LAX San Francisco International Airport – Los Angeles International Airport | 543 | 55.4 min | 17.7% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 73.7% | 0 |
| November 2024 | 12 | 12 | 100.0% | 0 |
| December 2024 | 16 | 16 | 81.3% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 26 | 26 | 76.9% | 0 |
| April 2025 | 15 | 15 | 80.0% | 0 |
| May 2025 | 9 | 9 | 100.0% | 0 |
| June 2025 | 18 | 18 | 61.1% | 0 |
| July 2025 | 17 | 17 | 76.5% | 0 |
| August 2025 | 38 | 36 | 77.8% | 2 |
| September 2025 | 39 | 39 | 82.1% | 0 |
| October 2025 | 6 | 6 | 66.7% | 0 |
| November 2025 | 7 | 7 | 28.6% | 0 |
| December 2025 | 13 | 13 | 15.4% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| March 2026 | 27 | 26 | 65.4% | 1 |
| April 2026 | 26 | 26 | 73.1% | 0 |
| May 2026 | 28 | 28 | 32.1% | 0 |
| June 2026 | 18 | 18 | 16.7% | 0 |
| July 2026 | 18 | 18 | 27.8% | 0 |