WN2172
WN2172 (Southwest Airlines) is a multi-stop service on 24 routes, busiest St Louis to Tampa. Of 681 departures recorded from October 2024 to July 2026, 80.5% left on time, according to the US BTS.
- On-time departures80.5%of 681 flights
- Average delay8.5 min
- July 202631▼ 53.7%vs July 2025
- Cancelled1.2%
- Legs flown under this number24
Recorded departures by month
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 | 32 | ▲ 3.2% |
| February | 26 | 28 | ▲ 7.7% |
| March | 34 | 27 | ▼ 20.6% |
| April | 31 | 32 | ▲ 3.2% |
| May | 31 | 35 | ▲ 12.9% |
| June | 58 | 30 | ▼ 48.3% |
| July | 67 | 31 | ▼ 53.7% |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 18 | – | in progress |
| November | 22 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 278 | 215 | ▼ 22.7% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 79.3% | 83.3% | ▲ 5.1% |
| February | 76.9% | 75.0% | ▼ 2.5% |
| March | 85.3% | 100.0% | ▲ 17.2% |
| April | 93.6% | 84.4% | ▼ 9.8% |
| May | 74.2% | 82.9% | ▲ 11.7% |
| June | 84.5% | 93.3% | ▲ 10.5% |
| July | 71.6% | 96.8% | ▲ 35.1% |
| August | 69.7% | – | – |
| September | 83.3% | – | – |
| October | 83.3% | – | in progress |
| November | 66.7% | – | – |
| December | 68.4% | – | – |
| Year-to-date average (Jan–Jul) | 80.8% | 88.0% | ▲ 8.9% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 4 | ▲ 100.0% |
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 98.8% 673
- 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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL TPA St. Louis Lambert International Airport – Tampa International Airport | 1,400 | 8.2 min | 75.0% | 118 |
| LAS TUL Harry Reid International Airport – Tulsa International Airport | 1,727 | 6.1 min | 88.5% | 61 |
| KOA OGG Ellison Onizuka Kona International Airport at Keāhole – Kahului International Airport | 135 | -4.0 min | 94.8% | 58 |
| HOU TUL William P. Hobby Airport – Tulsa International Airport | 731 | 7.8 min | 82.8% | 58 |
| AUS SFO Austin Bergstrom International Airport – San Francisco International Airport | 2,417 | 9.5 min | 83.9% | 58 |
| FLL MCO Fort Lauderdale Hollywood International Airport – Orlando International Airport | 286 | 17.3 min | 73.7% | 57 |
| ELP SAN El Paso International Airport – San Diego International Airport | 1,022 | 2.3 min | 88.1% | 42 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 21.6 min | 61.5% | 41 |
| BWI MIA Baltimore/Washington International Thurgood Marshall Airport – Miami International Airport | 1,526 | 10.9 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 66.7% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 30 | 30 | 56.7% | 0 |
| January 2025 | 31 | 29 | 79.3% | 2 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 34 | 34 | 85.3% | 0 |
| April 2025 | 31 | 31 | 93.6% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 58 | 58 | 84.5% | 0 |
| July 2025 | 67 | 67 | 71.6% | 0 |
| August 2025 | 33 | 33 | 69.7% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 18 | 18 | 83.3% | 0 |
| November 2025 | 22 | 21 | 66.7% | 1 |
| December 2025 | 20 | 19 | 68.4% | 1 |
| January 2026 | 32 | 30 | 83.3% | 2 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 27 | 25 | 100.0% | 2 |
| April 2026 | 32 | 32 | 84.4% | 0 |
| May 2026 | 35 | 35 | 82.9% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |