WN4668
WN4668 (Southwest Airlines) is a multi-stop service on 15 routes, busiest San Antonio to Baltimore. Of 329 departures recorded from October 2024 to July 2026, 86.0% left on time, according to the US BTS.
- On-time departures86.0%of 329 flights
- Average delay4.1 min
- July 202630▼ 3.2%vs July 2025
- Cancelled0.3%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 29 | ▲ 2,800.0% |
| February | – | 34 | – |
| March | 4 | 4 | 0.0% |
| April | 1 | 24 | ▲ 2,300.0% |
| May | – | 31 | – |
| June | 26 | 30 | ▲ 15.4% |
| July | 31 | 30 | ▼ 3.2% |
| August | 4 | – | – |
| September | – | – | – |
| October | 39 | – | in progress |
| November | 5 | – | – |
| December | 11 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 93.1% | ▼ 6.9% |
| February | – | 85.3% | – |
| March | 100.0% | 50.0% | ▼ 50.0% |
| April | 100.0% | 95.8% | ▼ 4.2% |
| May | – | 96.8% | – |
| June | 96.0% | 90.0% | ▼ 6.3% |
| July | 96.8% | 96.7% | ▼ 0.1% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 43.6% | – | in progress |
| November | 100.0% | – | – |
| December | 63.6% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| 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 99.7% 328
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAT BWI San Antonio International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,262 | -0.5 min | 96.7% | 61 |
| STL BNA St. Louis Lambert International Airport – Nashville International Airport | 437 | -1.0 min | 94.8% | 58 |
| PHX GEG Phoenix Sky Harbor International Airport – Spokane International Airport | 1,644 | 1.9 min | 87.9% | 58 |
| PHX HOU Phoenix Sky Harbor International Airport – William P. Hobby Airport | 1,638 | 1.3 min | 94.7% | 57 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 85.7% | 0 |
| November 2024 | 14 | 14 | 85.7% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 26 | 25 | 96.0% | 1 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 39 | 39 | 43.6% | 0 |
| November 2025 | 5 | 5 | 100.0% | 0 |
| December 2025 | 11 | 11 | 63.6% | 0 |
| January 2026 | 29 | 29 | 93.1% | 0 |
| February 2026 | 34 | 34 | 85.3% | 0 |
| March 2026 | 4 | 4 | 50.0% | 0 |
| April 2026 | 24 | 24 | 95.8% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 30 | 30 | 96.7% | 0 |