WN1717
WN1717 (Southwest Airlines) is a multi-stop service on 35 routes, busiest St Louis to Phoenix. Of 567 departures recorded from October 2024 to July 2026, 71.3% left on time, according to the US BTS.
- On-time departures71.3%of 567 flights
- Average delay15.3 min
- July 20268▼ 74.2%vs July 2025
- Cancelled1.6%
- Legs flown under this number35
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 | 32 | 25 | ▼ 21.9% |
| March | 59 | 20 | ▼ 66.1% |
| April | 23 | 7 | ▼ 69.6% |
| May | 14 | 6 | ▼ 57.1% |
| June | 27 | 8 | ▼ 70.4% |
| July | 31 | 8 | ▼ 74.2% |
| August | 38 | – | – |
| September | 37 | – | – |
| October | 19 | – | in progress |
| November | 33 | – | – |
| December | 35 | – | – |
| Year to date (Jan–Jul) | 217 | 106 | ▼ 51.2% |
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 | 83.3% | 81.3% | ▼ 2.5% |
| February | 71.9% | 100.0% | ▲ 39.1% |
| March | 84.8% | 85.0% | ▲ 0.3% |
| April | 91.3% | 71.4% | ▼ 21.8% |
| May | 100.0% | 100.0% | 0.0% |
| June | 28.0% | 50.0% | ▲ 78.6% |
| July | 40.0% | 75.0% | ▲ 87.5% |
| August | 78.4% | – | – |
| September | 91.7% | – | – |
| October | 44.4% | – | in progress |
| November | 67.7% | – | – |
| December | 34.3% | – | – |
| Year-to-date average (Jan–Jul) | 71.3% | 80.4% | ▲ 12.7% |
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 | 2 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 0 | ▼ 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 98.4% 558
- Cancelled 1.6% 9
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL PHX St. Louis Lambert International Airport – Phoenix Sky Harbor International Airport | 2,026 | 14.2 min | 75.3% | 82 |
| BWI IND Baltimore/Washington International Thurgood Marshall Airport – Indianapolis International Airport | 828 | 41.4 min | 32.8% | 61 |
| MSY DAL Louis Armstrong New Orleans International Airport – Dallas Love Field | 700 | 7.1 min | 90.7% | 55 |
| EUG SMF Eugene Airport – Sacramento International Airport | 619 | 6.9 min | 90.9% | 55 |
| BWI DJT Baltimore/Washington International Thurgood Marshall Airport – President Donald J. Trump International Airport | 1,425 | 16.8 min | 56.5% | 46 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 30 | 30 | 73.3% | 0 |
| December 2024 | 43 | 43 | 53.5% | 0 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 32 | 32 | 71.9% | 0 |
| March 2025 | 59 | 59 | 84.8% | 0 |
| April 2025 | 23 | 23 | 91.3% | 0 |
| May 2025 | 14 | 14 | 100.0% | 0 |
| June 2025 | 27 | 25 | 28.0% | 2 |
| July 2025 | 31 | 30 | 40.0% | 1 |
| August 2025 | 38 | 37 | 78.4% | 1 |
| September 2025 | 37 | 36 | 91.7% | 1 |
| October 2025 | 19 | 18 | 44.4% | 1 |
| November 2025 | 33 | 31 | 67.7% | 2 |
| December 2025 | 35 | 35 | 34.3% | 0 |
| January 2026 | 32 | 32 | 81.3% | 0 |
| February 2026 | 25 | 25 | 100.0% | 0 |
| March 2026 | 20 | 20 | 85.0% | 0 |
| April 2026 | 7 | 7 | 71.4% | 0 |
| May 2026 | 6 | 6 | 100.0% | 0 |
| June 2026 | 8 | 8 | 50.0% | 0 |
| July 2026 | 8 | 8 | 75.0% | 0 |