WN1009
WN1009 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Denver to Baltimore. Of 685 departures recorded from October 2024 to July 2026, 67.6% left on time, according to the US BTS.
- On-time departures67.6%of 685 flights
- Average delay18.2 min
- July 202621▼ 50.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number30
according to the US BTS · Oct 12, 2024 → Jul 29, 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 | 30 | 30 | 0.0% |
| February | 28 | 19 | ▼ 32.1% |
| March | 35 | 34 | ▼ 2.9% |
| April | 39 | 31 | ▼ 20.5% |
| May | 39 | 31 | ▼ 20.5% |
| June | 44 | 21 | ▼ 52.3% |
| July | 42 | 21 | ▼ 50.0% |
| August | 37 | – | – |
| September | 34 | – | – |
| October | 57 | – | in progress |
| November | 18 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 257 | 187 | ▼ 27.2% |
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 | 86.2% | 62.1% | ▼ 28.0% |
| February | 85.7% | 89.5% | ▲ 4.4% |
| March | 85.7% | 82.4% | ▼ 3.9% |
| April | 65.8% | 61.3% | ▼ 6.8% |
| May | 28.2% | 25.8% | ▼ 8.5% |
| June | 50.0% | 71.4% | ▲ 42.9% |
| July | 46.3% | 81.0% | ▲ 74.7% |
| August | 64.9% | – | – |
| September | 70.6% | – | – |
| October | 52.7% | – | in progress |
| November | 83.3% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 64.0% | 67.6% | ▲ 5.7% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 99.1% 679
- Cancelled 0.9% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| DEN BWI Denver International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,394 | 5.3 min | 92.6% | 81 |
| DEN SEA Denver International Airport – Seattle–Tacoma International Airport | 1,645 | 43.4 min | 43.1% | 58 |
| BNA DCA Nashville International Airport – Ronald Reagan Washington National Airport | 903 | 17.5 min | 62.1% | 58 |
| DEN IAD Denver International Airport – Washington Dulles International Airport | 2,332 | 30.0 min | 36.8% | 57 |
| DAL MDW Dallas Love Field – Chicago Midway International Airport | 1,277 | 8.8 min | 73.3% | 46 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | 39.8 min | 40.5% | 42 |
| DAL BHM Dallas Love Field – Birmingham-Shuttlesworth International Airport | 942 | 4.6 min | 90.6% | 33 |
| BNA MKE Nashville International Airport – General Mitchell International Airport | 766 | 6.6 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 30 | 30 | 96.7% | 0 |
| January 2025 | 30 | 29 | 86.2% | 1 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 35 | 35 | 85.7% | 0 |
| April 2025 | 39 | 38 | 65.8% | 1 |
| May 2025 | 39 | 39 | 28.2% | 0 |
| June 2025 | 44 | 44 | 50.0% | 0 |
| July 2025 | 42 | 41 | 46.3% | 1 |
| August 2025 | 37 | 37 | 64.9% | 0 |
| September 2025 | 34 | 34 | 70.6% | 0 |
| October 2025 | 57 | 55 | 52.7% | 2 |
| November 2025 | 18 | 18 | 83.3% | 0 |
| December 2025 | 15 | 15 | 80.0% | 0 |
| January 2026 | 30 | 29 | 62.1% | 1 |
| February 2026 | 19 | 19 | 89.5% | 0 |
| March 2026 | 34 | 34 | 82.4% | 0 |
| April 2026 | 31 | 31 | 61.3% | 0 |
| May 2026 | 31 | 31 | 25.8% | 0 |
| June 2026 | 21 | 21 | 71.4% | 0 |
| July 2026 | 21 | 21 | 81.0% | 0 |