WN3377
WN3377 (Southwest Airlines) is a multi-stop service on 30 routes, busiest San Antonio to Dallas. Of 647 departures recorded from October 2024 to July 2026, 68.4% left on time, according to the US BTS.
- On-time departures68.4%of 647 flights
- Average delay17.2 min
- July 202614▼ 69.6%vs July 2025
- Cancelled1.1%
- Legs flown under this number30
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 | 64 | 5 | ▼ 92.2% |
| February | 51 | – | – |
| March | 34 | 55 | ▲ 61.8% |
| April | 29 | 28 | ▼ 3.4% |
| May | 31 | 22 | ▼ 29.0% |
| June | 46 | 13 | ▼ 71.7% |
| July | 46 | 14 | ▼ 69.6% |
| August | 39 | – | – |
| September | 38 | – | – |
| October | 1 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
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 | 78.0% | 80.0% | ▲ 2.6% |
| February | 92.2% | – | – |
| March | 88.2% | 47.3% | ▼ 46.4% |
| April | 72.4% | 71.4% | ▼ 1.4% |
| May | 67.7% | 86.4% | ▲ 27.5% |
| June | 41.3% | 76.9% | ▲ 86.2% |
| July | 28.3% | 64.3% | ▲ 127.5% |
| August | 71.8% | – | – |
| September | 89.5% | – | – |
| October | 100.0% | – | in progress |
| November | 66.7% | – | – |
| December | 74.2% | – | – |
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 | 5 | 0 | ▼ 100.0% |
| February | 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 | 1 | – | – |
| 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 98.9% 640
- Cancelled 1.1% 7
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 |
|---|---|---|---|---|
| SAT DAL San Antonio International Airport – Dallas Love Field | 399 | 16.1 min | 75.0% | 82 |
| PHX LAS Phoenix Sky Harbor International Airport – Harry Reid International Airport | 411 | 21.6 min | 63.8% | 58 |
| SMF LAS Sacramento International Airport – Harry Reid International Airport | 639 | 33.9 min | 31.0% | 42 |
| DEN OKC Denver International Airport – OKC Will Rogers World Airport | 796 | 7.4 min | 87.2% | 39 |
| LAX MDW Los Angeles International Airport – Chicago Midway International Airport | 2,812 | 30.4 min | 54.3% | 36 |
| SJC LAS Mineta San Jose International Airport – Harry Reid International Airport | 620 | 0.9 min | 97.0% | 33 |
| MSY SAT Louis Armstrong New Orleans International Airport – San Antonio International Airport | 794 | 8.3 min | 82.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 70.8% | 0 |
| November 2024 | 20 | 19 | 84.2% | 1 |
| December 2024 | 28 | 28 | 57.1% | 0 |
| January 2025 | 64 | 59 | 78.0% | 5 |
| February 2025 | 51 | 51 | 92.2% | 0 |
| March 2025 | 34 | 34 | 88.2% | 0 |
| April 2025 | 29 | 29 | 72.4% | 0 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 46 | 46 | 41.3% | 0 |
| July 2025 | 46 | 46 | 28.3% | 0 |
| August 2025 | 39 | 39 | 71.8% | 0 |
| September 2025 | 38 | 38 | 89.5% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 28 | 27 | 66.7% | 1 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| March 2026 | 55 | 55 | 47.3% | 0 |
| April 2026 | 28 | 28 | 71.4% | 0 |
| May 2026 | 22 | 22 | 86.4% | 0 |
| June 2026 | 13 | 13 | 76.9% | 0 |
| July 2026 | 14 | 14 | 64.3% | 0 |