WN993
WN993 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Houston to Atlanta. Of 619 departures recorded from October 2024 to July 2026, 80.1% left on time, according to the US BTS.
- On-time departures80.1%of 619 flights
- Average delay9.1 min
- July 202613▼ 58.1%vs July 2025
- Cancelled1.1%
- Legs flown under this number39
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 | 12 | ▼ 61.3% |
| February | 30 | 26 | ▼ 13.3% |
| March | 44 | 37 | ▼ 15.9% |
| April | 33 | 21 | ▼ 36.4% |
| May | 31 | 18 | ▼ 41.9% |
| June | 30 | 13 | ▼ 56.7% |
| July | 31 | 13 | ▼ 58.1% |
| August | 28 | – | – |
| September | 26 | – | – |
| October | 28 | – | in progress |
| November | 32 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 230 | 140 | ▼ 39.1% |
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 | 89.3% | 90.0% | ▲ 0.8% |
| February | 93.3% | 62.5% | ▼ 33.0% |
| March | 75.0% | 73.0% | ▼ 2.7% |
| April | 84.9% | 71.4% | ▼ 15.8% |
| May | 87.1% | 94.4% | ▲ 8.4% |
| June | 63.3% | 84.6% | ▲ 33.6% |
| July | 64.5% | 84.6% | ▲ 31.2% |
| August | 92.9% | – | – |
| September | 96.2% | – | – |
| October | 85.7% | – | in progress |
| November | 68.8% | – | – |
| December | 65.0% | – | – |
| Year-to-date average (Jan–Jul) | 79.6% | 80.1% | ▲ 0.6% |
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 | 3 | 2 | ▼ 33.3% |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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 98.9% 612
- Cancelled 1.1% 7
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| HOU ATL William P. Hobby Airport – Hartsfield Jackson Atlanta International Airport | 1,118 | -0.4 min | 95.8% | 74 |
| TPA SJU Tampa International Airport – Luis Munoz Marin International Airport | 1,991 | 18.9 min | 63.5% | 64 |
| HOU BNA William P. Hobby Airport – Nashville International Airport | 1,078 | 20.3 min | 62.3% | 61 |
| STL BOS St. Louis Lambert International Airport – Boston Logan International Airport | 1,680 | 3.6 min | 93.1% | 58 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | -1.4 min | 96.0% | 50 |
| ISP BWI Long Island MacArthur Airport – Baltimore/Washington International Thurgood Marshall Airport | 353 | 10.7 min | 82.4% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 34 | 34 | 94.1% | 0 |
| December 2024 | 41 | 41 | 82.9% | 0 |
| January 2025 | 31 | 28 | 89.3% | 3 |
| February 2025 | 30 | 30 | 93.3% | 0 |
| March 2025 | 44 | 44 | 75.0% | 0 |
| April 2025 | 33 | 33 | 84.9% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 28 | 28 | 92.9% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 28 | 28 | 85.7% | 0 |
| November 2025 | 32 | 32 | 68.8% | 0 |
| December 2025 | 40 | 40 | 65.0% | 0 |
| January 2026 | 12 | 10 | 90.0% | 2 |
| February 2026 | 26 | 24 | 62.5% | 2 |
| March 2026 | 37 | 37 | 73.0% | 0 |
| April 2026 | 21 | 21 | 71.4% | 0 |
| May 2026 | 18 | 18 | 94.4% | 0 |
| June 2026 | 13 | 13 | 84.6% | 0 |
| July 2026 | 13 | 13 | 84.6% | 0 |