WN3447
WN3447 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Baltimore to Denver. Of 652 departures recorded from October 2024 to July 2026, 71.1% left on time, according to the US BTS.
- On-time departures71.1%of 652 flights
- Average delay15.9 min
- July 202618▼ 30.8%vs July 2025
- Cancelled0.6%
- Legs flown under this number29
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 28 | 7 | ▼ 75.0% |
| February | 28 | 13 | ▼ 53.6% |
| March | 43 | 39 | ▼ 9.3% |
| April | 53 | 32 | ▼ 39.6% |
| May | 57 | 30 | ▼ 47.4% |
| June | 31 | 19 | ▼ 38.7% |
| July | 26 | 18 | ▼ 30.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 35 | – | in progress |
| November | 55 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 266 | 158 | ▼ 40.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 77.8% | 85.7% | ▲ 10.2% |
| February | 67.9% | 69.2% | ▲ 2.0% |
| March | 64.3% | 43.6% | ▼ 32.2% |
| April | 77.4% | 78.1% | ▲ 1.0% |
| May | 73.7% | 70.0% | ▼ 5.0% |
| June | 67.7% | 89.5% | ▲ 32.1% |
| July | 53.9% | 88.2% | ▲ 63.9% |
| August | 76.7% | – | – |
| September | 80.0% | – | – |
| October | 71.4% | – | in progress |
| November | 68.5% | – | – |
| December | 68.3% | – | – |
| Year-to-date average (Jan–Jul) | 68.9% | 74.9% | ▲ 8.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.4% 648
- Cancelled 0.6% 4
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI DEN Baltimore/Washington International Thurgood Marshall Airport – Denver International Airport | 2,394 | 9.7 min | 76.5% | 87 |
| SJC SNA Mineta San Jose International Airport – John Wayne Orange County International Airport | 550 | 9.3 min | 70.7% | 58 |
| LGA DEN LaGuardia Airport – Denver International Airport | 2,600 | 15.0 min | 79.3% | 58 |
| MKE MCO General Mitchell International Airport – Orlando International Airport | 1,719 | 7.5 min | 75.4% | 57 |
| BNA SFO Nashville International Airport – San Francisco International Airport | 3,161 | 28.6 min | 54.9% | 51 |
| DAL STL Dallas Love Field – St. Louis Lambert International Airport | 878 | 19.3 min | 75.6% | 41 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | -0.1 min | 90.9% | 34 |
| ISP DJT Long Island MacArthur Airport – President Donald J. Trump International Airport | 1,696 | 17.8 min | 57.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 60.0% | 0 |
| November 2024 | 11 | 11 | 100.0% | 0 |
| December 2024 | 16 | 16 | 75.0% | 0 |
| January 2025 | 28 | 27 | 77.8% | 1 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 43 | 42 | 64.3% | 1 |
| April 2025 | 53 | 53 | 77.4% | 0 |
| May 2025 | 57 | 57 | 73.7% | 0 |
| June 2025 | 31 | 31 | 67.7% | 0 |
| July 2025 | 26 | 26 | 53.9% | 0 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 35 | 35 | 71.4% | 0 |
| November 2025 | 55 | 54 | 68.5% | 1 |
| December 2025 | 41 | 41 | 68.3% | 0 |
| January 2026 | 7 | 7 | 85.7% | 0 |
| February 2026 | 13 | 13 | 69.2% | 0 |
| March 2026 | 39 | 39 | 43.6% | 0 |
| April 2026 | 32 | 32 | 78.1% | 0 |
| May 2026 | 30 | 30 | 70.0% | 0 |
| June 2026 | 19 | 19 | 89.5% | 0 |
| July 2026 | 18 | 17 | 88.2% | 1 |