WN1138
WN1138 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Cincinnati to Chicago. Of 769 departures recorded from October 2024 to July 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 769 flights
- Average delay15.5 min
- July 202614▼ 67.4%vs July 2025
- Cancelled0.7%
- Legs flown under this number35
according to the US BTS · Oct 12, 2024 → Jul 29, 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 | 33 | 34 | ▲ 3.0% |
| February | 28 | 28 | 0.0% |
| March | 35 | 50 | ▲ 42.9% |
| April | 25 | 34 | ▲ 36.0% |
| May | 22 | 31 | ▲ 40.9% |
| June | 41 | 14 | ▼ 65.9% |
| July | 43 | 14 | ▼ 67.4% |
| August | 59 | – | – |
| September | 60 | – | – |
| October | 51 | – | in progress |
| November | 33 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 227 | 205 | ▼ 9.7% |
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 | 87.5% | 90.9% | ▲ 3.9% |
| February | 96.4% | 81.5% | ▼ 15.5% |
| March | 77.1% | 72.0% | ▼ 6.7% |
| April | 72.0% | 76.5% | ▲ 6.2% |
| May | 50.0% | 45.2% | ▼ 9.7% |
| June | 63.4% | 85.7% | ▲ 35.2% |
| July | 74.4% | 92.9% | ▲ 24.8% |
| August | 63.2% | – | – |
| September | 60.0% | – | – |
| October | 92.2% | – | in progress |
| November | 78.8% | – | – |
| December | 72.5% | – | – |
| Year-to-date average (Jan–Jul) | 74.4% | 77.8% | ▲ 4.5% |
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 | 1 | 1 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.3% 764
- Cancelled 0.7% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| CVG MDW Cincinnati Northern Kentucky International Airport – Chicago Midway International Airport | 401 | 2.5 min | 93.2% | 119 |
| CLE BNA Cleveland Hopkins International Airport – Nashville International Airport | 721 | 12.3 min | 72.6% | 62 |
| PHL MDW Philadelphia International Airport – Chicago Midway International Airport | 1,073 | 6.1 min | 87.5% | 58 |
| BWI FLL Baltimore/Washington International Thurgood Marshall Airport – Fort Lauderdale Hollywood International Airport | 1,493 | 17.6 min | 55.2% | 58 |
| LAS MDW Harry Reid International Airport – Chicago Midway International Airport | 2,442 | 33.8 min | 55.4% | 57 |
| BWI ONT Baltimore/Washington International Thurgood Marshall Airport – Ontario International Airport | 3,666 | 32.3 min | 72.1% | 43 |
| LAS TUS Harry Reid International Airport – Tucson International Airport | 587 | 24.6 min | 61.9% | 42 |
| BUR LAS Hollywood Burbank/Bob Hope Airport – Harry Reid International Airport | 359 | 33.2 min | 71.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 91.3% | 0 |
| November 2024 | 33 | 33 | 97.0% | 0 |
| December 2024 | 38 | 38 | 60.5% | 0 |
| January 2025 | 33 | 32 | 87.5% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 35 | 35 | 77.1% | 0 |
| April 2025 | 25 | 25 | 72.0% | 0 |
| May 2025 | 22 | 22 | 50.0% | 0 |
| June 2025 | 41 | 41 | 63.4% | 0 |
| July 2025 | 43 | 43 | 74.4% | 0 |
| August 2025 | 59 | 57 | 63.2% | 2 |
| September 2025 | 60 | 60 | 60.0% | 0 |
| October 2025 | 51 | 51 | 92.2% | 0 |
| November 2025 | 33 | 33 | 78.8% | 0 |
| December 2025 | 40 | 40 | 72.5% | 0 |
| January 2026 | 34 | 33 | 90.9% | 1 |
| February 2026 | 28 | 27 | 81.5% | 1 |
| March 2026 | 50 | 50 | 72.0% | 0 |
| April 2026 | 34 | 34 | 76.5% | 0 |
| May 2026 | 31 | 31 | 45.2% | 0 |
| June 2026 | 14 | 14 | 85.7% | 0 |
| July 2026 | 14 | 14 | 92.9% | 0 |