WN2177
WN2177 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Pittsburgh to St Louis. Of 642 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 642 flights
- Average delay9.8 min
- July 202641▲ 10.8%vs July 2025
- Cancelled0.3%
- Legs flown under this number29
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 | 30 | 28 | ▼ 6.7% |
| February | 16 | 20 | ▲ 25.0% |
| March | 31 | 30 | ▼ 3.2% |
| April | 28 | 12 | ▼ 57.1% |
| May | 26 | 8 | ▼ 69.2% |
| June | 32 | 35 | ▲ 9.4% |
| July | 37 | 41 | ▲ 10.8% |
| August | 33 | – | – |
| September | 34 | – | – |
| October | 22 | – | in progress |
| November | 51 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 200 | 174 | ▼ 13.0% |
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% | 78.6% | ▼ 0.9% |
| February | 87.5% | 95.0% | ▲ 8.6% |
| March | 93.6% | 83.3% | ▼ 10.9% |
| April | 96.4% | 75.0% | ▼ 22.2% |
| May | 73.1% | 100.0% | ▲ 36.8% |
| June | 65.6% | 62.9% | ▼ 4.2% |
| July | 48.7% | 52.5% | ▲ 7.9% |
| August | 93.9% | – | – |
| September | 100.0% | – | – |
| October | 90.9% | – | in progress |
| November | 86.3% | – | – |
| December | 53.1% | – | – |
| Year-to-date average (Jan–Jul) | 77.7% | 78.2% | ▲ 0.6% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.7% 640
- Cancelled 0.3% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PIT STL Pittsburgh International Airport – St. Louis Lambert International Airport | 889 | 1.0 min | 90.7% | 87 |
| TUL DAL Tulsa International Airport – Dallas Love Field | 383 | -0.2 min | 94.6% | 74 |
| BWI MSP Baltimore/Washington International Thurgood Marshall Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,504 | 37.0 min | 55.8% | 52 |
| OKC PHX OKC Will Rogers World Airport – Phoenix Sky Harbor International Airport | 1,338 | 8.7 min | 80.0% | 50 |
| DEN TUL Denver International Airport – Tulsa International Airport | 870 | 9.0 min | 71.7% | 46 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | -0.8 min | 95.5% | 44 |
| LAS ABQ Harry Reid International Airport – Albuquerque International Sunport | 781 | 27.5 min | 56.1% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 88.9% | 0 |
| November 2024 | 32 | 32 | 93.8% | 0 |
| December 2024 | 38 | 38 | 94.7% | 0 |
| January 2025 | 30 | 29 | 79.3% | 1 |
| February 2025 | 16 | 16 | 87.5% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 28 | 28 | 96.4% | 0 |
| May 2025 | 26 | 26 | 73.1% | 0 |
| June 2025 | 32 | 32 | 65.6% | 0 |
| July 2025 | 37 | 37 | 48.7% | 0 |
| August 2025 | 33 | 33 | 93.9% | 0 |
| September 2025 | 34 | 34 | 100.0% | 0 |
| October 2025 | 22 | 22 | 90.9% | 0 |
| November 2025 | 51 | 51 | 86.3% | 0 |
| December 2025 | 49 | 49 | 53.1% | 0 |
| January 2026 | 28 | 28 | 78.6% | 0 |
| February 2026 | 20 | 20 | 95.0% | 0 |
| March 2026 | 30 | 30 | 83.3% | 0 |
| April 2026 | 12 | 12 | 75.0% | 0 |
| May 2026 | 8 | 8 | 100.0% | 0 |
| June 2026 | 35 | 35 | 62.9% | 0 |
| July 2026 | 41 | 40 | 52.5% | 1 |