WN191
WN191 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Phoenix to Nashville. Of 676 departures recorded from October 2024 to July 2026, 72.2% left on time, according to the US BTS.
- On-time departures72.2%of 676 flights
- Average delay14.7 min
- July 202631▼ 27.9%vs July 2025
- Cancelled1.2%
- Legs flown under this number37
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 27 | ▼ 3.6% |
| March | 31 | 4 | ▼ 87.1% |
| April | 27 | 34 | ▲ 25.9% |
| May | 26 | 45 | ▲ 73.1% |
| June | 42 | 31 | ▼ 26.2% |
| July | 43 | 31 | ▼ 27.9% |
| August | 25 | – | – |
| September | 21 | – | – |
| October | 33 | – | in progress |
| November | 33 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 228 | 202 | ▼ 11.4% |
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 | 100.0% | 83.3% | ▼ 16.7% |
| February | 96.4% | 73.1% | ▼ 24.2% |
| March | 93.6% | 75.0% | ▼ 19.8% |
| April | 77.8% | 76.5% | ▼ 1.7% |
| May | 56.0% | 66.7% | ▲ 19.1% |
| June | 50.0% | 61.3% | ▲ 22.6% |
| July | 53.7% | 74.2% | ▲ 38.3% |
| August | 50.0% | – | – |
| September | 61.9% | – | – |
| October | 53.1% | – | in progress |
| November | 84.4% | – | – |
| December | 67.5% | – | – |
| Year-to-date average (Jan–Jul) | 75.3% | 72.9% | ▼ 3.3% |
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 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 1 | ▼ 75.0% |
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 98.8% 668
- Cancelled 1.2% 8
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 |
|---|---|---|---|---|
| PHX BNA Phoenix Sky Harbor International Airport – Nashville International Airport | 2,326 | 1.8 min | 95.9% | 98 |
| JAX STL Jacksonville International Airport – St. Louis Lambert International Airport | 1,213 | 24.7 min | 67.4% | 50 |
| DAL LAX Dallas Love Field – Los Angeles International Airport | 2,002 | 14.8 min | 64.0% | 50 |
| LAX DAL Los Angeles International Airport – Dallas Love Field | 2,002 | 15.8 min | 65.9% | 44 |
| RNO BUR Reno Tahoe International Airport – Hollywood Burbank/Bob Hope Airport | 602 | 21.1 min | 57.1% | 43 |
| SMF DEN Sacramento International Airport – Denver International Airport | 1,460 | 11.2 min | 75.6% | 42 |
| STL MCO St. Louis Lambert International Airport – Orlando International Airport | 1,420 | 27.0 min | 57.9% | 39 |
| DAL BWI Dallas Love Field – Baltimore/Washington International Thurgood Marshall Airport | 1,942 | 0.9 min | 93.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 28 | 28 | 60.7% | 0 |
| November 2024 | 33 | 33 | 87.9% | 0 |
| December 2024 | 33 | 33 | 93.9% | 0 |
| January 2025 | 31 | 30 | 100.0% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 27 | 27 | 77.8% | 0 |
| May 2025 | 26 | 25 | 56.0% | 1 |
| June 2025 | 42 | 42 | 50.0% | 0 |
| July 2025 | 43 | 41 | 53.7% | 2 |
| August 2025 | 25 | 24 | 50.0% | 1 |
| September 2025 | 21 | 21 | 61.9% | 0 |
| October 2025 | 33 | 32 | 53.1% | 1 |
| November 2025 | 33 | 32 | 84.4% | 1 |
| December 2025 | 40 | 40 | 67.5% | 0 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 27 | 26 | 73.1% | 1 |
| March 2026 | 4 | 4 | 75.0% | 0 |
| April 2026 | 34 | 34 | 76.5% | 0 |
| May 2026 | 45 | 45 | 66.7% | 0 |
| June 2026 | 31 | 31 | 61.3% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |