WN1945
WN1945 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Baltimore to San Antonio. Of 600 departures recorded from October 2024 to July 2026, 76.2% left on time, according to the US BTS.
- On-time departures76.2%of 600 flights
- Average delay11.8 min
- July 20264▼ 76.5%vs July 2025
- Cancelled1.2%
- Legs flown under this number26
according to the US BTS · Oct 13, 2024 → Jul 25, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 29 | 33 | ▲ 13.8% |
| February | 24 | 28 | ▲ 16.7% |
| March | 30 | 30 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 20 | 7 | ▼ 65.0% |
| July | 17 | 4 | ▼ 76.5% |
| August | 44 | – | – |
| September | 47 | – | – |
| October | 31 | – | in progress |
| November | 43 | – | – |
| December | 36 | – | – |
| Year to date (Jan–Jul) | 181 | 163 | ▼ 9.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 74.1% | 72.7% | ▼ 1.8% |
| February | 62.5% | 71.4% | ▲ 14.3% |
| March | 90.0% | 70.0% | ▼ 22.2% |
| April | 100.0% | 69.0% | ▼ 31.0% |
| May | 83.9% | 64.5% | ▼ 23.1% |
| June | 65.0% | 100.0% | ▲ 53.8% |
| July | 47.1% | 50.0% | ▲ 6.2% |
| August | 74.4% | – | – |
| September | 93.6% | – | – |
| October | 90.0% | – | in progress |
| November | 88.1% | – | – |
| December | 51.4% | – | – |
| Year-to-date average (Jan–Jul) | 74.6% | 71.1% | ▼ 4.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.8% 593
- Cancelled 1.2% 7
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI SAT Baltimore/Washington International Thurgood Marshall Airport – San Antonio International Airport | 2,262 | 15.5 min | 65.7% | 72 |
| BWI TPA Baltimore/Washington International Thurgood Marshall Airport – Tampa International Airport | 1,358 | 18.1 min | 65.6% | 62 |
| TPA ORD Tampa International Airport – Chicago O'Hare International Airport | 1,631 | 17.2 min | 69.0% | 58 |
| RSW BNA Southwest Florida International Airport – Nashville International Airport | 1,164 | 1.9 min | 91.4% | 58 |
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 25.8 min | 47.2% | 36 |
| SMF HNL Sacramento International Airport – Daniel K. Inouye International Airport | 3,960 | -1.1 min | 97.0% | 33 |
| SFO MDW San Francisco International Airport – Chicago Midway International Airport | 2,977 | 13.8 min | 64.5% | 32 |
| IND DAL Indianapolis International Airport – Dallas Love Field | 1,215 | 9.2 min | 89.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 88.9% | 0 |
| November 2024 | 13 | 13 | 100.0% | 0 |
| December 2024 | 24 | 24 | 50.0% | 0 |
| January 2025 | 29 | 27 | 74.1% | 2 |
| February 2025 | 24 | 24 | 62.5% | 0 |
| March 2025 | 30 | 30 | 90.0% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 20 | 20 | 65.0% | 0 |
| July 2025 | 17 | 17 | 47.1% | 0 |
| August 2025 | 44 | 43 | 74.4% | 1 |
| September 2025 | 47 | 47 | 93.6% | 0 |
| October 2025 | 31 | 30 | 90.0% | 1 |
| November 2025 | 43 | 42 | 88.1% | 1 |
| December 2025 | 36 | 35 | 51.4% | 1 |
| January 2026 | 33 | 33 | 72.7% | 0 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 30 | 30 | 70.0% | 0 |
| April 2026 | 30 | 29 | 69.0% | 1 |
| May 2026 | 31 | 31 | 64.5% | 0 |
| June 2026 | 7 | 7 | 100.0% | 0 |
| July 2026 | 4 | 4 | 50.0% | 0 |