WN4650
WN4650 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Denver to Baltimore. Of 373 departures recorded from October 2024 to July 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 373 flights
- Average delay15.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.7%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 3 | ▼ 25.0% |
| February | 2 | 1 | ▼ 50.0% |
| March | 23 | – | – |
| April | 29 | 38 | ▲ 31.0% |
| May | 30 | 47 | ▲ 56.7% |
| June | 30 | 32 | ▲ 6.7% |
| July | 31 | 31 | 0.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 4 | – | – |
| December | 11 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 33.3% | 66.7% | ▲ 100.0% |
| February | 50.0% | 0.0% | ▼ 100.0% |
| March | 78.3% | – | – |
| April | 86.2% | 84.2% | ▼ 2.3% |
| May | 93.3% | 78.3% | ▼ 16.1% |
| June | 76.7% | 36.7% | ▼ 52.2% |
| July | 64.5% | 44.0% | ▼ 31.8% |
| August | 75.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 50.0% | – | – |
| December | 36.4% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 2 | – |
| July | 0 | 6 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | 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 97.3% 363
- Cancelled 2.7% 10
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN BWI Denver International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,394 | 15.1 min | 68.9% | 61 |
| LGA DAL LaGuardia Airport – Dallas Love Field | 2,219 | 47.8 min | 38.0% | 58 |
| MCO DAL Orlando International Airport – Dallas Love Field | 1,564 | 5.0 min | 94.6% | 57 |
| LAX SFO Los Angeles International Airport – San Francisco International Airport | 543 | 1.0 min | 91.2% | 57 |
| BNA STL Nashville International Airport – St. Louis Lambert International Airport | 437 | 8.2 min | 77.1% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 81.8% | 0 |
| November 2024 | 22 | 22 | 86.4% | 0 |
| December 2024 | 20 | 20 | 80.0% | 0 |
| January 2025 | 4 | 3 | 33.3% | 1 |
| February 2025 | 2 | 2 | 50.0% | 0 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 29 | 29 | 86.2% | 0 |
| May 2025 | 30 | 30 | 93.3% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 4 | 4 | 50.0% | 0 |
| December 2025 | 11 | 11 | 36.4% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| February 2026 | 1 | 1 | 0.0% | 0 |
| April 2026 | 38 | 38 | 84.2% | 0 |
| May 2026 | 47 | 46 | 78.3% | 1 |
| June 2026 | 32 | 30 | 36.7% | 2 |
| July 2026 | 31 | 25 | 44.0% | 6 |