WN3517
WN3517 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Oklahoma City to Las Vegas. Of 511 departures recorded from October 2024 to July 2026, 83.4% left on time, according to the US BTS.
- On-time departures83.4%of 511 flights
- Average delay8.2 min
- July 202621▼ 51.2%vs July 2025
- Cancelled0.8%
- Legs flown under this number24
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 | 2 | 2 | 0.0% |
| February | – | 3 | – |
| March | 10 | 34 | ▲ 240.0% |
| April | 26 | 40 | ▲ 53.8% |
| May | 31 | 46 | ▲ 48.4% |
| June | 42 | 23 | ▼ 45.2% |
| July | 43 | 21 | ▼ 51.2% |
| August | 29 | – | – |
| September | 26 | – | – |
| October | 31 | – | in progress |
| November | 33 | – | – |
| 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 | 100.0% | 100.0% | 0.0% |
| February | – | 100.0% | – |
| March | 80.0% | 75.8% | ▼ 5.3% |
| April | 68.0% | 92.5% | ▲ 36.0% |
| May | 80.7% | 89.1% | ▲ 10.5% |
| June | 85.7% | 73.9% | ▼ 13.8% |
| July | 97.7% | 52.4% | ▼ 46.4% |
| August | 82.1% | – | – |
| September | 88.5% | – | – |
| October | 93.6% | – | in progress |
| November | 87.5% | – | – |
| December | 97.0% | – | – |
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 | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 99.2% 507
- Cancelled 0.8% 4
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OKC LAS OKC Will Rogers World Airport – Harry Reid International Airport | 1,584 | -1.5 min | 95.1% | 61 |
| MSY TPA Louis Armstrong New Orleans International Airport – Tampa International Airport | 785 | -1.5 min | 96.6% | 58 |
| PHL STL Philadelphia International Airport – St. Louis Lambert International Airport | 1,306 | 13.4 min | 86.0% | 50 |
| BNA DAL Nashville International Airport – Dallas Love Field | 1,000 | -0.1 min | 93.0% | 43 |
| SAN OAK San Diego International Airport – Oakland San Francisco Bay Airport | 718 | 19.4 min | 61.0% | 41 |
| SAN BWI San Diego International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,686 | 2.6 min | 90.6% | 33 |
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 8.6 min | 77.4% | 32 |
| LGA ATL LaGuardia Airport – Hartsfield Jackson Atlanta International Airport | 1,225 | 6.7 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 64.0% | 0 |
| November 2024 | 7 | 7 | 57.1% | 0 |
| December 2024 | 4 | 4 | 50.0% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 10 | 10 | 80.0% | 0 |
| April 2025 | 26 | 25 | 68.0% | 1 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 42 | 42 | 85.7% | 0 |
| July 2025 | 43 | 43 | 97.7% | 0 |
| August 2025 | 29 | 28 | 82.1% | 1 |
| September 2025 | 26 | 26 | 88.5% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 33 | 32 | 87.5% | 1 |
| December 2025 | 33 | 33 | 97.0% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| February 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 34 | 33 | 75.8% | 1 |
| April 2026 | 40 | 40 | 92.5% | 0 |
| May 2026 | 46 | 46 | 89.1% | 0 |
| June 2026 | 23 | 23 | 73.9% | 0 |
| July 2026 | 21 | 21 | 52.4% | 0 |