WN1715
WN1715 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Phoenix to St Louis. Of 676 departures recorded from October 2024 to July 2026, 78.0% left on time, according to the US BTS.
- On-time departures78.0%of 676 flights
- Average delay11.4 min
- July 202630▼ 3.2%vs July 2025
- Cancelled0.4%
- Legs flown under this number34
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 | 29 | 31 | ▲ 6.9% |
| February | 28 | 38 | ▲ 35.7% |
| March | 31 | 33 | ▲ 6.5% |
| April | 36 | 41 | ▲ 13.9% |
| May | 40 | 44 | ▲ 10.0% |
| June | 31 | 31 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 33 | – | – |
| September | 34 | – | – |
| October | 30 | – | in progress |
| November | 16 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 226 | 248 | ▲ 9.7% |
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 | 96.4% | 87.1% | ▼ 9.7% |
| February | 100.0% | 81.6% | ▼ 18.4% |
| March | 77.4% | 78.8% | ▲ 1.8% |
| April | 88.9% | 90.2% | ▲ 1.5% |
| May | 90.0% | 95.5% | ▲ 6.1% |
| June | 46.7% | 64.5% | ▲ 38.2% |
| July | 25.8% | 48.3% | ▲ 87.1% |
| August | 81.8% | – | – |
| September | 70.6% | – | – |
| October | 96.7% | – | in progress |
| November | 56.3% | – | – |
| December | 48.0% | – | – |
| Year-to-date average (Jan–Jul) | 75.0% | 78.0% | ▲ 3.9% |
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 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.6% 673
- Cancelled 0.4% 3
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 STL Phoenix Sky Harbor International Airport – St. Louis Lambert International Airport | 2,026 | -3.7 min | 100.0% | 73 |
| DEN ONT Denver International Airport – Ontario International Airport | 1,316 | 46.7 min | 30.5% | 60 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 17.2 min | 77.2% | 57 |
| EUG OAK Eugene Airport – Oakland San Francisco Bay Airport | 717 | -1.8 min | 90.6% | 53 |
| DEN SFO Denver International Airport – San Francisco International Airport | 1,553 | 29.8 min | 48.8% | 43 |
| DTW MDW Detroit Metropolitan Wayne County Airport – Chicago Midway International Airport | 367 | 3.9 min | 90.5% | 42 |
| FLL BNA Fort Lauderdale Hollywood International Airport – Nashville International Airport | 1,278 | 26.4 min | 48.8% | 41 |
| FLL MCO Fort Lauderdale Hollywood International Airport – Orlando International Airport | 286 | -2.2 min | 100.0% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 87.0% | 0 |
| November 2024 | 17 | 17 | 100.0% | 0 |
| December 2024 | 24 | 24 | 87.5% | 0 |
| January 2025 | 29 | 28 | 96.4% | 1 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 36 | 36 | 88.9% | 0 |
| May 2025 | 40 | 40 | 90.0% | 0 |
| June 2025 | 31 | 30 | 46.7% | 1 |
| July 2025 | 31 | 31 | 25.8% | 0 |
| August 2025 | 33 | 33 | 81.8% | 0 |
| September 2025 | 34 | 34 | 70.6% | 0 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 16 | 16 | 56.3% | 0 |
| December 2025 | 25 | 25 | 48.0% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 38 | 38 | 81.6% | 0 |
| March 2026 | 33 | 33 | 78.8% | 0 |
| April 2026 | 41 | 41 | 90.2% | 0 |
| May 2026 | 44 | 44 | 95.5% | 0 |
| June 2026 | 31 | 31 | 64.5% | 0 |
| July 2026 | 30 | 29 | 48.3% | 1 |