WN2978
WN2978 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Houston to San Antonio. Of 556 departures recorded from October 2024 to July 2026, 84.7% left on time, according to the US BTS.
- On-time departures84.7%of 556 flights
- Average delay4.9 min
- July 202630▼ 45.5%vs July 2025
- Cancelled0.4%
- Legs flown under this number31
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 | 3 | 21 | ▲ 600.0% |
| February | 18 | 12 | ▼ 33.3% |
| March | 31 | 26 | ▼ 16.1% |
| April | 18 | 26 | ▲ 44.4% |
| May | 13 | 26 | ▲ 100.0% |
| June | 44 | 30 | ▼ 31.8% |
| July | 55 | 30 | ▼ 45.5% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 182 | 171 | ▼ 6.0% |
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 | 66.7% | 76.2% | ▲ 14.3% |
| February | 88.9% | 58.3% | ▼ 34.4% |
| March | 90.3% | 76.9% | ▼ 14.8% |
| April | 88.9% | 88.0% | ▼ 1.0% |
| May | 76.9% | 100.0% | ▲ 30.0% |
| June | 84.1% | 93.3% | ▲ 11.0% |
| July | 72.7% | 93.3% | ▲ 28.3% |
| August | 76.7% | – | – |
| September | 80.0% | – | – |
| October | 90.0% | – | in progress |
| November | 88.9% | – | – |
| December | 96.7% | – | – |
| Year-to-date average (Jan–Jul) | 81.2% | 83.7% | ▲ 3.1% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.6% 554
- Cancelled 0.4% 2
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU SAT William P. Hobby Airport – San Antonio International Airport | 309 | 7.1 min | 78.7% | 61 |
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 1.5 min | 94.3% | 53 |
| LIH HNL Lihue Airport – Daniel K. Inouye International Airport | 163 | -6.3 min | 100.0% | 50 |
| DAL BNA Dallas Love Field – Nashville International Airport | 1,000 | -1.3 min | 95.1% | 42 |
| STL HOU St. Louis Lambert International Airport – William P. Hobby Airport | 1,108 | -0.6 min | 90.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 95.7% | 0 |
| November 2024 | 18 | 18 | 77.8% | 0 |
| December 2024 | 14 | 14 | 71.4% | 0 |
| January 2025 | 3 | 3 | 66.7% | 0 |
| February 2025 | 18 | 18 | 88.9% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 18 | 18 | 88.9% | 0 |
| May 2025 | 13 | 13 | 76.9% | 0 |
| June 2025 | 44 | 44 | 84.1% | 0 |
| July 2025 | 55 | 55 | 72.7% | 0 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 30 | 30 | 90.0% | 0 |
| November 2025 | 28 | 27 | 88.9% | 1 |
| December 2025 | 30 | 30 | 96.7% | 0 |
| January 2026 | 21 | 21 | 76.2% | 0 |
| February 2026 | 12 | 12 | 58.3% | 0 |
| March 2026 | 26 | 26 | 76.9% | 0 |
| April 2026 | 26 | 25 | 88.0% | 1 |
| May 2026 | 26 | 26 | 100.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 30 | 30 | 93.3% | 0 |