WN1998
WN1998 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Houston to New Orleans. Of 641 departures recorded from October 2024 to July 2026, 83.8% left on time, according to the US BTS.
- On-time departures83.8%of 641 flights
- Average delay8.5 min
- July 202631▲ 34.8%vs July 2025
- Cancelled0.6%
- Legs flown under this number29
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 | 27 | 27 | 0.0% |
| February | 26 | 27 | ▲ 3.8% |
| March | 23 | 16 | ▼ 30.4% |
| April | 37 | 24 | ▼ 35.1% |
| May | 45 | 27 | ▼ 40.0% |
| June | 23 | 30 | ▲ 30.4% |
| July | 23 | 31 | ▲ 34.8% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 53 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 204 | 182 | ▼ 10.8% |
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 | 87.5% | 96.3% | ▲ 10.1% |
| February | 92.3% | 81.5% | ▼ 11.7% |
| March | 87.0% | 68.8% | ▼ 20.9% |
| April | 89.2% | 62.5% | ▼ 29.9% |
| May | 95.6% | 59.3% | ▼ 38.0% |
| June | 69.6% | 76.7% | ▲ 10.2% |
| July | 47.8% | 90.3% | ▲ 88.8% |
| August | 89.7% | – | – |
| September | 93.3% | – | – |
| October | 94.3% | – | in progress |
| November | 86.7% | – | – |
| December | 73.3% | – | – |
| Year-to-date average (Jan–Jul) | 81.3% | 76.5% | ▼ 5.9% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| 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 | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 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 99.4% 637
- Cancelled 0.6% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU MSY William P. Hobby Airport – Louis Armstrong New Orleans International Airport | 485 | -1.3 min | 92.5% | 109 |
| SMF DEN Sacramento International Airport – Denver International Airport | 1,460 | 3.6 min | 94.8% | 58 |
| OAK LAX Oakland San Francisco Bay Airport – Los Angeles International Airport | 543 | -1.2 min | 98.3% | 58 |
| DEN PHL Denver International Airport – Philadelphia International Airport | 2,501 | 15.9 min | 58.0% | 50 |
| HOU LAS William P. Hobby Airport – Harry Reid International Airport | 1,985 | 7.8 min | 87.8% | 49 |
| STL MCI St. Louis Lambert International Airport – Kansas City International Airport | 380 | 9.0 min | 73.9% | 46 |
| BZN LAS Bozeman Yellowstone International Airport – Harry Reid International Airport | 1,129 | 41.3 min | 51.2% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 78.6% | 0 |
| November 2024 | 33 | 33 | 90.9% | 0 |
| December 2024 | 35 | 35 | 91.4% | 0 |
| January 2025 | 27 | 24 | 87.5% | 3 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 23 | 23 | 87.0% | 0 |
| April 2025 | 37 | 37 | 89.2% | 0 |
| May 2025 | 45 | 45 | 95.6% | 0 |
| June 2025 | 23 | 23 | 69.6% | 0 |
| July 2025 | 23 | 23 | 47.8% | 0 |
| August 2025 | 29 | 29 | 89.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 53 | 53 | 94.3% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 31 | 30 | 73.3% | 1 |
| January 2026 | 27 | 27 | 96.3% | 0 |
| February 2026 | 27 | 27 | 81.5% | 0 |
| March 2026 | 16 | 16 | 68.8% | 0 |
| April 2026 | 24 | 24 | 62.5% | 0 |
| May 2026 | 27 | 27 | 59.3% | 0 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |