WN2640
WN2640 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Houston to Nashville. Of 438 departures recorded from October 2024 to July 2026, 77.0% left on time, according to the US BTS.
- On-time departures77.0%of 438 flights
- Average delay10.6 min
- July 202621▼ 32.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number27
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 | 8 | 13 | ▲ 62.5% |
| February | 20 | 12 | ▼ 40.0% |
| March | 3 | 13 | ▲ 333.3% |
| April | 18 | 32 | ▲ 77.8% |
| May | 28 | 34 | ▲ 21.4% |
| June | 28 | 22 | ▼ 21.4% |
| July | 31 | 21 | ▼ 32.3% |
| August | 5 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 136 | 147 | ▲ 8.1% |
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 | 71.4% | 66.7% | ▼ 6.7% |
| February | 90.0% | 75.0% | ▼ 16.7% |
| March | 66.7% | 84.6% | ▲ 26.9% |
| April | 94.4% | 84.4% | ▼ 10.7% |
| May | 85.7% | 88.2% | ▲ 3.0% |
| June | 78.6% | 50.0% | ▼ 36.4% |
| July | 96.8% | 28.6% | ▼ 70.5% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 63.3% | – | in progress |
| November | 77.8% | – | – |
| December | 82.1% | – | – |
| Year-to-date average (Jan–Jul) | 83.4% | 68.2% | ▼ 18.2% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.1% 434
- Cancelled 0.9% 4
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 BNA William P. Hobby Airport – Nashville International Airport | 1,078 | 6.3 min | 88.5% | 61 |
| LAS LIT Harry Reid International Airport – Bill & Hillary Clinton National Airport/Adams Field | 2,079 | 5.7 min | 87.7% | 57 |
| HOU MCO William P. Hobby Airport – Orlando International Airport | 1,364 | 1.0 min | 89.1% | 46 |
| MCI LAS Kansas City International Airport – Harry Reid International Airport | 1,829 | 4.8 min | 90.0% | 40 |
| MCO ORD Orlando International Airport – Chicago O'Hare International Airport | 1,620 | 19.6 min | 61.3% | 31 |
| ATL MCO Hartsfield Jackson Atlanta International Airport – Orlando International Airport | 651 | 32.3 min | 43.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 12 | 91.7% | 1 |
| November 2024 | 25 | 25 | 68.0% | 0 |
| December 2024 | 26 | 26 | 69.2% | 0 |
| January 2025 | 8 | 7 | 71.4% | 1 |
| February 2025 | 20 | 20 | 90.0% | 0 |
| March 2025 | 3 | 3 | 66.7% | 0 |
| April 2025 | 18 | 18 | 94.4% | 0 |
| May 2025 | 28 | 28 | 85.7% | 0 |
| June 2025 | 28 | 28 | 78.6% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 5 | 5 | 100.0% | 0 |
| October 2025 | 30 | 30 | 63.3% | 0 |
| November 2025 | 27 | 27 | 77.8% | 0 |
| December 2025 | 29 | 28 | 82.1% | 1 |
| January 2026 | 13 | 12 | 66.7% | 1 |
| February 2026 | 12 | 12 | 75.0% | 0 |
| March 2026 | 13 | 13 | 84.6% | 0 |
| April 2026 | 32 | 32 | 84.4% | 0 |
| May 2026 | 34 | 34 | 88.2% | 0 |
| June 2026 | 22 | 22 | 50.0% | 0 |
| July 2026 | 21 | 21 | 28.6% | 0 |