WN1147
WN1147 (Southwest Airlines) is a multi-stop service on 25 routes, busiest St Louis to Fort Lauderdale. Of 630 departures recorded from October 2024 to July 2026, 68.9% left on time, according to the US BTS.
- On-time departures68.9%of 630 flights
- Average delay16.6 min
- July 202621▼ 34.4%vs July 2025
- Cancelled1.0%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 49 | ▲ 63.3% |
| February | 30 | 44 | ▲ 46.7% |
| March | 24 | 34 | ▲ 41.7% |
| April | 5 | 27 | ▲ 440.0% |
| May | – | 26 | – |
| June | 26 | 22 | ▼ 15.4% |
| July | 32 | 21 | ▼ 34.4% |
| August | 38 | – | – |
| September | 39 | – | – |
| October | 31 | – | in progress |
| November | 32 | – | – |
| December | 33 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.6% | 85.7% | ▼ 7.4% |
| February | 90.0% | 70.5% | ▼ 21.7% |
| March | 62.5% | 59.4% | ▼ 5.0% |
| April | 80.0% | 33.3% | ▼ 58.3% |
| May | – | 56.0% | – |
| June | 73.1% | 63.6% | ▼ 12.9% |
| July | 68.8% | 76.2% | ▲ 10.8% |
| August | 68.4% | – | – |
| September | 84.6% | – | – |
| October | 58.1% | – | in progress |
| November | 53.1% | – | – |
| December | 45.5% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | – | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | 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 99.0% 624
- Cancelled 1.0% 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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL FLL St. Louis Lambert International Airport – Fort Lauderdale Hollywood International Airport | 1,702 | 4.6 min | 84.3% | 104 |
| BNA LAX Nashville International Airport – Los Angeles International Airport | 2,886 | 27.1 min | 49.2% | 63 |
| PDX OAK Portland International Airport – Oakland San Francisco Bay Airport | 876 | 14.5 min | 86.2% | 58 |
| DEN LGA Denver International Airport – LaGuardia Airport | 2,600 | 30.3 min | 46.9% | 50 |
| BNA MDW Nashville International Airport – Chicago Midway International Airport | 636 | 13.1 min | 68.0% | 50 |
| SLC PHX Salt Lake City International Airport – Phoenix Sky Harbor International Airport | 818 | 10.2 min | 88.2% | 34 |
| BWI IND Baltimore/Washington International Thurgood Marshall Airport – Indianapolis International Airport | 828 | 28.1 min | 45.2% | 33 |
| MCO BNA Orlando International Airport – Nashville International Airport | 993 | 28.2 min | 58.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 65.0% | 0 |
| November 2024 | 33 | 33 | 78.8% | 0 |
| December 2024 | 34 | 34 | 73.5% | 0 |
| January 2025 | 30 | 27 | 92.6% | 3 |
| February 2025 | 30 | 30 | 90.0% | 0 |
| March 2025 | 24 | 24 | 62.5% | 0 |
| April 2025 | 5 | 5 | 80.0% | 0 |
| June 2025 | 26 | 26 | 73.1% | 0 |
| July 2025 | 32 | 32 | 68.8% | 0 |
| August 2025 | 38 | 38 | 68.4% | 0 |
| September 2025 | 39 | 39 | 84.6% | 0 |
| October 2025 | 31 | 31 | 58.1% | 0 |
| November 2025 | 32 | 32 | 53.1% | 0 |
| December 2025 | 33 | 33 | 45.5% | 0 |
| January 2026 | 49 | 49 | 85.7% | 0 |
| February 2026 | 44 | 44 | 70.5% | 0 |
| March 2026 | 34 | 32 | 59.4% | 2 |
| April 2026 | 27 | 27 | 33.3% | 0 |
| May 2026 | 26 | 25 | 56.0% | 1 |
| June 2026 | 22 | 22 | 63.6% | 0 |
| July 2026 | 21 | 21 | 76.2% | 0 |