WN3253
WN3253 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Denver to Baltimore. Of 487 departures recorded from October 2024 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 487 flights
- Average delay11.3 min
- July 20263▼ 90.3%vs July 2025
- Cancelled1.6%
- Legs flown under this number30
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 | 7 | 30 | ▲ 328.6% |
| February | 10 | 28 | ▲ 180.0% |
| March | 23 | 31 | ▲ 34.8% |
| April | 31 | 6 | ▼ 80.6% |
| May | 28 | – | – |
| June | 32 | 4 | ▼ 87.5% |
| July | 31 | 3 | ▼ 90.3% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 34 | – | in progress |
| November | 30 | – | – |
| December | 37 | – | – |
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 | 85.7% | 86.2% | ▲ 0.6% |
| February | 50.0% | 64.3% | ▲ 28.6% |
| March | 69.6% | 58.1% | ▼ 16.5% |
| April | 92.9% | 66.7% | ▼ 28.2% |
| May | 82.1% | – | – |
| June | 56.7% | 100.0% | ▲ 76.5% |
| July | 44.8% | 66.7% | ▲ 48.7% |
| August | 88.9% | – | – |
| September | 96.2% | – | – |
| October | 82.4% | – | in progress |
| November | 60.0% | – | – |
| December | 59.5% | – | – |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 3 | 0 | ▼ 100.0% |
| May | 0 | – | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| 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 98.4% 479
- Cancelled 1.6% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN BWI Denver International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,394 | 30.8 min | 49.1% | 61 |
| PIT DAL Pittsburgh International Airport – Dallas Love Field | 1,704 | 12.5 min | 77.2% | 58 |
| ONT SMF Ontario International Airport – Sacramento International Airport | 627 | -1.4 min | 94.0% | 50 |
| LAS MCI Harry Reid International Airport – Kansas City International Airport | 1,829 | 11.2 min | 67.4% | 46 |
| SAT HOU San Antonio International Airport – William P. Hobby Airport | 309 | 4.1 min | 80.0% | 41 |
| VPS DAL Destin-Fort Walton Beach Airport – Dallas Love Field | 1,012 | 4.9 min | 84.9% | 34 |
| MDW HOU Chicago Midway International Airport – William P. Hobby Airport | 1,510 | 25.8 min | 54.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 27 | 27 | 92.6% | 0 |
| November 2024 | 22 | 22 | 86.4% | 0 |
| December 2024 | 20 | 20 | 85.0% | 0 |
| January 2025 | 7 | 7 | 85.7% | 0 |
| February 2025 | 10 | 10 | 50.0% | 0 |
| March 2025 | 23 | 23 | 69.6% | 0 |
| April 2025 | 31 | 28 | 92.9% | 3 |
| May 2025 | 28 | 28 | 82.1% | 0 |
| June 2025 | 32 | 30 | 56.7% | 2 |
| July 2025 | 31 | 29 | 44.8% | 2 |
| August 2025 | 27 | 27 | 88.9% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 34 | 34 | 82.4% | 0 |
| November 2025 | 30 | 30 | 60.0% | 0 |
| December 2025 | 37 | 37 | 59.5% | 0 |
| January 2026 | 30 | 29 | 86.2% | 1 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 31 | 31 | 58.1% | 0 |
| April 2026 | 6 | 6 | 66.7% | 0 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 3 | 3 | 66.7% | 0 |