WN3115
WN3115 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Harlingen to Houston. Of 368 departures recorded from October 2024 to July 2026, 70.0% left on time, according to the US BTS.
- On-time departures70.0%of 368 flights
- Average delay15.5 min
- July 202611▼ 35.3%vs July 2025
- Cancelled1.4%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 13 | ▼ 7.1% |
| February | 19 | 19 | 0.0% |
| March | 29 | 29 | 0.0% |
| April | 7 | 20 | ▲ 185.7% |
| May | – | 19 | – |
| June | 16 | 14 | ▼ 12.5% |
| July | 17 | 11 | ▼ 35.3% |
| August | 3 | – | – |
| September | – | – | – |
| October | 18 | – | in progress |
| November | 25 | – | – |
| December | 27 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.3% | 84.6% | ▼ 8.3% |
| February | 68.4% | 88.9% | ▲ 29.9% |
| March | 89.7% | 100.0% | ▲ 11.5% |
| April | 71.4% | 30.0% | ▼ 58.0% |
| May | – | 21.1% | – |
| June | 37.5% | 46.2% | ▲ 23.1% |
| July | 41.2% | 72.7% | ▲ 76.6% |
| August | 0.0% | – | – |
| September | – | – | – |
| October | 88.9% | – | in progress |
| November | 80.0% | – | – |
| December | 63.0% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 98.6% 363
- Cancelled 1.4% 5
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HRL HOU Valley International Airport – William P. Hobby Airport | 446 | 9.9 min | 80.5% | 89 |
| LAS AUS Harry Reid International Airport – Austin Bergstrom International Airport | 1,752 | 24.1 min | 69.1% | 55 |
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 47.4 min | 11.8% | 34 |
| MKE DAL General Mitchell International Airport – Dallas Love Field | 1,369 | 3.4 min | 87.9% | 33 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | -2.5 min | 100.0% | 33 |
| PHX BUR Phoenix Sky Harbor International Airport – Hollywood Burbank/Bob Hope Airport | 593 | 2.5 min | 93.1% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 60.0% | 0 |
| November 2024 | 28 | 28 | 85.7% | 0 |
| December 2024 | 30 | 29 | 79.3% | 1 |
| January 2025 | 14 | 13 | 92.3% | 1 |
| February 2025 | 19 | 19 | 68.4% | 0 |
| March 2025 | 29 | 29 | 89.7% | 0 |
| April 2025 | 7 | 7 | 71.4% | 0 |
| June 2025 | 16 | 16 | 37.5% | 0 |
| July 2025 | 17 | 17 | 41.2% | 0 |
| August 2025 | 3 | 3 | 0.0% | 0 |
| October 2025 | 18 | 18 | 88.9% | 0 |
| November 2025 | 25 | 25 | 80.0% | 0 |
| December 2025 | 27 | 27 | 63.0% | 0 |
| January 2026 | 13 | 13 | 84.6% | 0 |
| February 2026 | 19 | 18 | 88.9% | 1 |
| March 2026 | 29 | 28 | 100.0% | 1 |
| April 2026 | 20 | 20 | 30.0% | 0 |
| May 2026 | 19 | 19 | 21.1% | 0 |
| June 2026 | 14 | 13 | 46.2% | 1 |
| July 2026 | 11 | 11 | 72.7% | 0 |