WN791
WN791 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Baltimore to Las Vegas. Of 680 departures recorded from October 2024 to July 2026, 77.0% left on time, according to the US BTS.
- On-time departures77.0%of 680 flights
- Average delay12.3 min
- July 202634▼ 8.1%vs July 2025
- Cancelled1.0%
- Legs flown under this number42
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 | 30 | 24 | ▼ 20.0% |
| February | 34 | 17 | ▼ 50.0% |
| March | 32 | 30 | ▼ 6.3% |
| April | 30 | 30 | 0.0% |
| May | 31 | 30 | ▼ 3.2% |
| June | 32 | 34 | ▲ 6.3% |
| July | 37 | 34 | ▼ 8.1% |
| August | 32 | – | – |
| September | 31 | – | – |
| October | 24 | – | in progress |
| November | 27 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 226 | 199 | ▼ 11.9% |
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 | 76.7% | 70.8% | ▼ 7.6% |
| February | 97.1% | 88.2% | ▼ 9.1% |
| March | 78.1% | 58.6% | ▼ 25.0% |
| April | 80.0% | 76.7% | ▼ 4.2% |
| May | 73.3% | 70.0% | ▼ 4.5% |
| June | 78.1% | 75.0% | ▼ 4.0% |
| July | 69.4% | 78.1% | ▲ 12.5% |
| August | 93.8% | – | – |
| September | 87.1% | – | – |
| October | 75.0% | – | in progress |
| November | 63.0% | – | – |
| December | 82.1% | – | – |
| Year-to-date average (Jan–Jul) | 79.0% | 73.9% | ▼ 6.4% |
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 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 2 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 5 | ▲ 150.0% |
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 99.0% 673
- Cancelled 1.0% 7
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 |
|---|---|---|---|---|
| BWI LAS Baltimore/Washington International Thurgood Marshall Airport – Harry Reid International Airport | 3,381 | 14.6 min | 75.0% | 76 |
| BUR LAS Hollywood Burbank/Bob Hope Airport – Harry Reid International Airport | 359 | 12.3 min | 81.5% | 58 |
| STL HOU St. Louis Lambert International Airport – William P. Hobby Airport | 1,108 | 8.4 min | 78.6% | 42 |
| OMA DEN Eppley Airfield – Denver International Airport | 758 | 26.4 min | 57.1% | 42 |
| BWI BDL Baltimore/Washington International Thurgood Marshall Airport – Bradley International Airport | 455 | 3.1 min | 92.9% | 42 |
| TPA MDW Tampa International Airport – Chicago Midway International Airport | 1,607 | 0.7 min | 84.9% | 33 |
| MCI BNA Kansas City International Airport – Nashville International Airport | 790 | 27.9 min | 56.3% | 33 |
| SJC LAS Mineta San Jose International Airport – Harry Reid International Airport | 620 | 26.9 min | 45.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 73.3% | 0 |
| November 2024 | 38 | 38 | 79.0% | 0 |
| December 2024 | 45 | 45 | 71.1% | 0 |
| January 2025 | 30 | 30 | 76.7% | 0 |
| February 2025 | 34 | 34 | 97.1% | 0 |
| March 2025 | 32 | 32 | 78.1% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 30 | 73.3% | 1 |
| June 2025 | 32 | 32 | 78.1% | 0 |
| July 2025 | 37 | 36 | 69.4% | 1 |
| August 2025 | 32 | 32 | 93.8% | 0 |
| September 2025 | 31 | 31 | 87.1% | 0 |
| October 2025 | 24 | 24 | 75.0% | 0 |
| November 2025 | 27 | 27 | 63.0% | 0 |
| December 2025 | 28 | 28 | 82.1% | 0 |
| January 2026 | 24 | 24 | 70.8% | 0 |
| February 2026 | 17 | 17 | 88.2% | 0 |
| March 2026 | 30 | 29 | 58.6% | 1 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 30 | 30 | 70.0% | 0 |
| June 2026 | 34 | 32 | 75.0% | 2 |
| July 2026 | 34 | 32 | 78.1% | 2 |