WN1130
WN1130 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Dulles to Denver. Of 602 departures recorded from October 2024 to July 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 602 flights
- Average delay11.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.2%
- Legs flown under this number24
according to the US BTS · Oct 12, 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 | 27 | ▼ 3.6% |
| February | 28 | 24 | ▼ 14.3% |
| March | 32 | 23 | ▼ 28.1% |
| April | 30 | 28 | ▼ 6.7% |
| May | 32 | 31 | ▼ 3.1% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 18 | – | – |
| September | 17 | – | – |
| October | 26 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 211 | 194 | ▼ 8.1% |
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 | 85.7% | 85.2% | ▼ 0.6% |
| February | 92.9% | 66.7% | ▼ 28.2% |
| March | 93.8% | 65.2% | ▼ 30.4% |
| April | 86.7% | 75.0% | ▼ 13.5% |
| May | 87.1% | 67.7% | ▼ 22.2% |
| June | 60.0% | 90.0% | ▲ 50.0% |
| July | 48.4% | 77.4% | ▲ 60.0% |
| August | 83.3% | – | – |
| September | 100.0% | – | – |
| October | 84.6% | – | in progress |
| November | 69.0% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 79.2% | 75.3% | ▼ 4.9% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.8% 601
- Cancelled 0.2% 1
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAD DEN Washington Dulles International Airport – Denver International Airport | 2,332 | 8.5 min | 85.6% | 97 |
| BNA JAX Nashville International Airport – Jacksonville International Airport | 779 | 18.8 min | 69.8% | 63 |
| ORD BNA Chicago O'Hare International Airport – Nashville International Airport | 660 | 25.3 min | 50.8% | 61 |
| BWI DEN Baltimore/Washington International Thurgood Marshall Airport – Denver International Airport | 2,394 | 12.6 min | 74.1% | 58 |
| ONT SMF Ontario International Airport – Sacramento International Airport | 627 | 10.2 min | 78.0% | 50 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | 3.5 min | 89.8% | 50 |
| BZN DEN Bozeman Yellowstone International Airport – Denver International Airport | 844 | 4.5 min | 90.5% | 42 |
| HOU BNA William P. Hobby Airport – Nashville International Airport | 1,078 | -3.2 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 27 | 27 | 85.2% | 0 |
| December 2024 | 29 | 29 | 82.8% | 0 |
| January 2025 | 28 | 28 | 85.7% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 32 | 32 | 93.8% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 32 | 31 | 87.1% | 1 |
| June 2025 | 30 | 30 | 60.0% | 0 |
| July 2025 | 31 | 31 | 48.4% | 0 |
| August 2025 | 18 | 18 | 83.3% | 0 |
| September 2025 | 17 | 17 | 100.0% | 0 |
| October 2025 | 26 | 26 | 84.6% | 0 |
| November 2025 | 29 | 29 | 69.0% | 0 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 27 | 27 | 85.2% | 0 |
| February 2026 | 24 | 24 | 66.7% | 0 |
| March 2026 | 23 | 23 | 65.2% | 0 |
| April 2026 | 28 | 28 | 75.0% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 77.4% | 0 |