WN379
WN379 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Memphis to Chicago. Of 650 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 650 flights
- Average delay13.3 min
- July 202623▼ 25.8%vs July 2025
- Cancelled0.6%
- Legs flown under this number32
Recorded departures by month
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 | 31 | 45 | ▲ 45.2% |
| February | 28 | 37 | ▲ 32.1% |
| March | 35 | 21 | ▼ 40.0% |
| April | 31 | 33 | ▲ 6.5% |
| May | 31 | 41 | ▲ 32.3% |
| June | 30 | 23 | ▼ 23.3% |
| July | 31 | 23 | ▼ 25.8% |
| August | 20 | – | – |
| September | 17 | – | – |
| October | 23 | – | in progress |
| November | 25 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 217 | 223 | ▲ 2.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 86.7% | 97.7% | ▲ 12.7% |
| February | 96.4% | 67.6% | ▼ 29.9% |
| March | 85.7% | 85.0% | ▼ 0.8% |
| April | 51.6% | 81.8% | ▲ 58.5% |
| May | 61.3% | 68.3% | ▲ 11.4% |
| June | 96.7% | 56.5% | ▼ 41.5% |
| July | 87.1% | 39.1% | ▼ 55.1% |
| August | 65.0% | – | – |
| September | 52.9% | – | – |
| October | 47.8% | – | in progress |
| November | 80.0% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.8% | 70.9% | ▼ 12.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.4% 646
- Cancelled 0.6% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MEM MDW Frederick W. Smith International Airport – Chicago Midway International Airport | 774 | 6.1 min | 89.1% | 120 |
| HOU LAS William P. Hobby Airport – Harry Reid International Airport | 1,985 | 3.2 min | 91.8% | 61 |
| MCO BNA Orlando International Airport – Nashville International Airport | 993 | 28.2 min | 56.0% | 50 |
| AUS LBB Austin Bergstrom International Airport – Lubbock Preston Smith International Airport | 550 | 27.3 min | 59.5% | 42 |
| SEA PHX Seattle–Tacoma International Airport – Phoenix Sky Harbor International Airport | 1,782 | 16.7 min | 55.9% | 34 |
| DAL ECP Dallas Love Field – Northwest Florida Beaches International Airport | 1,082 | 7.7 min | 78.8% | 33 |
| BWI MYR Baltimore/Washington International Thurgood Marshall Airport – Myrtle Beach International Airport | 644 | -0.5 min | 96.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 41 | 41 | 75.6% | 0 |
| November 2024 | 33 | 33 | 87.9% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 35 | 35 | 85.7% | 0 |
| April 2025 | 31 | 31 | 51.6% | 0 |
| May 2025 | 31 | 31 | 61.3% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 20 | 20 | 65.0% | 0 |
| September 2025 | 17 | 17 | 52.9% | 0 |
| October 2025 | 23 | 23 | 47.8% | 0 |
| November 2025 | 25 | 25 | 80.0% | 0 |
| December 2025 | 20 | 20 | 80.0% | 0 |
| January 2026 | 45 | 43 | 97.7% | 2 |
| February 2026 | 37 | 37 | 67.6% | 0 |
| March 2026 | 21 | 20 | 85.0% | 1 |
| April 2026 | 33 | 33 | 81.8% | 0 |
| May 2026 | 41 | 41 | 68.3% | 0 |
| June 2026 | 23 | 23 | 56.5% | 0 |
| July 2026 | 23 | 23 | 39.1% | 0 |