WN1048
WN1048 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Atlanta to Chicago. Of 720 departures recorded from October 2024 to July 2026, 67.7% left on time, according to the US BTS.
- On-time departures67.7%of 720 flights
- Average delay17.5 min
- July 202649▲ 58.1%vs July 2025
- Cancelled1.1%
- Legs flown under this number30
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 | 25 | 28 | ▲ 12.0% |
| February | 19 | 27 | ▲ 42.1% |
| March | 18 | 31 | ▲ 72.2% |
| April | 30 | 30 | 0.0% |
| May | 34 | 32 | ▼ 5.9% |
| June | 31 | 46 | ▲ 48.4% |
| July | 31 | 49 | ▲ 58.1% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 42 | – | – |
| December | 42 | – | – |
| Year to date (Jan–Jul) | 188 | 243 | ▲ 29.3% |
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 | 82.6% | 96.4% | ▲ 16.7% |
| February | 84.2% | 92.6% | ▲ 10.0% |
| March | 100.0% | 86.7% | ▼ 13.3% |
| April | 46.7% | 56.7% | ▲ 21.4% |
| May | 47.1% | 50.0% | ▲ 6.2% |
| June | 53.3% | 28.3% | ▼ 47.0% |
| July | 48.4% | 30.6% | ▼ 36.7% |
| August | 58.1% | – | – |
| September | 93.3% | – | – |
| October | 80.7% | – | in progress |
| November | 78.1% | – | – |
| December | 85.4% | – | – |
| Year-to-date average (Jan–Jul) | 66.0% | 63.0% | ▼ 4.6% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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% 712
- Cancelled 1.1% 8
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 55 | 54 | 85.2% | 1 |
| December 2024 | 38 | 37 | 73.0% | 1 |
| January 2025 | 25 | 23 | 82.6% | 2 |
| February 2025 | 19 | 19 | 84.2% | 0 |
| March 2025 | 18 | 18 | 100.0% | 0 |
| April 2025 | 30 | 30 | 46.7% | 0 |
| May 2025 | 34 | 34 | 47.1% | 0 |
| June 2025 | 31 | 30 | 53.3% | 1 |
| July 2025 | 31 | 31 | 48.4% | 0 |
| August 2025 | 31 | 31 | 58.1% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 42 | 41 | 78.1% | 1 |
| December 2025 | 42 | 41 | 85.4% | 1 |
| January 2026 | 28 | 28 | 96.4% | 0 |
| February 2026 | 27 | 27 | 92.6% | 0 |
| March 2026 | 31 | 30 | 86.7% | 1 |
| April 2026 | 30 | 30 | 56.7% | 0 |
| May 2026 | 32 | 32 | 50.0% | 0 |
| June 2026 | 46 | 46 | 28.3% | 0 |
| July 2026 | 49 | 49 | 30.6% | 0 |