WN1944
WN1944 (Southwest Airlines) is a multi-stop service on 25 routes, busiest San Diego to Reno. Of 600 departures recorded from October 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 600 flights
- Average delay10.7 min
- July 202615▼ 64.3%vs July 2025
- Cancelled0.7%
- Legs flown under this number25
according to the US BTS · Oct 12, 2024 → Jul 31, 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 | 6 | 32 | ▲ 433.3% |
| February | 8 | 42 | ▲ 425.0% |
| March | 27 | 33 | ▲ 22.2% |
| April | 36 | 30 | ▼ 16.7% |
| May | 39 | 31 | ▼ 20.5% |
| June | 44 | 15 | ▼ 65.9% |
| July | 42 | 15 | ▼ 64.3% |
| August | 29 | – | – |
| September | 26 | – | – |
| October | 17 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 202 | 198 | ▼ 2.0% |
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 | 66.7% | 83.9% | ▲ 25.8% |
| February | 75.0% | 59.5% | ▼ 20.6% |
| March | 96.3% | 54.8% | ▼ 43.1% |
| April | 83.3% | 90.0% | ▲ 8.0% |
| May | 94.9% | 100.0% | ▲ 5.4% |
| June | 70.5% | 60.0% | ▼ 14.8% |
| July | 64.3% | 46.7% | ▼ 27.4% |
| August | 75.9% | – | – |
| September | 80.8% | – | – |
| October | 88.2% | – | in progress |
| November | 82.8% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 78.7% | 70.7% | ▼ 10.2% |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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 99.3% 596
- Cancelled 0.7% 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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN RNO San Diego International Airport – Reno Tahoe International Airport | 787 | 10.3 min | 78.0% | 60 |
| PVD BWI Rhode Island T. F. Green International Airport – Baltimore/Washington International Thurgood Marshall Airport | 526 | -2.0 min | 100.0% | 58 |
| IND DEN Indianapolis International Airport – Denver International Airport | 1,568 | 8.0 min | 91.2% | 57 |
| BWI SLC Baltimore/Washington International Thurgood Marshall Airport – Salt Lake City International Airport | 2,994 | 8.2 min | 80.0% | 50 |
| SMF ONT Sacramento International Airport – Ontario International Airport | 627 | 22.1 min | 64.3% | 42 |
| BNA SJC Nashville International Airport – Mineta San Jose International Airport | 3,126 | 13.9 min | 69.4% | 36 |
| PHX MKE Phoenix Sky Harbor International Airport – General Mitchell International Airport | 2,346 | 5.2 min | 90.9% | 33 |
| MDW CMH Chicago Midway International Airport – John Glenn Columbus International Airport | 454 | 20.4 min | 58.1% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 27 | 27 | 85.2% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 6 | 6 | 66.7% | 0 |
| February 2025 | 8 | 8 | 75.0% | 0 |
| March 2025 | 27 | 27 | 96.3% | 0 |
| April 2025 | 36 | 36 | 83.3% | 0 |
| May 2025 | 39 | 39 | 94.9% | 0 |
| June 2025 | 44 | 44 | 70.5% | 0 |
| July 2025 | 42 | 42 | 64.3% | 0 |
| August 2025 | 29 | 29 | 75.9% | 0 |
| September 2025 | 26 | 26 | 80.8% | 0 |
| October 2025 | 17 | 17 | 88.2% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 32 | 31 | 83.9% | 1 |
| February 2026 | 42 | 42 | 59.5% | 0 |
| March 2026 | 33 | 31 | 54.8% | 2 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 15 | 15 | 60.0% | 0 |
| July 2026 | 15 | 15 | 46.7% | 0 |