WN4165
WN4165 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Cleveland to Chicago. Of 327 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 327 flights
- Average delay16.9 min
- July 202615▼ 50.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 46 | 6 | ▼ 87.0% |
| February | 36 | – | – |
| March | 32 | 39 | ▲ 21.9% |
| April | 7 | 12 | ▲ 71.4% |
| May | 1 | 4 | ▲ 300.0% |
| June | 26 | 4 | ▼ 84.6% |
| July | 30 | 15 | ▼ 50.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | 5 | – | – |
| December | 4 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.8% | 100.0% | ▲ 18.0% |
| February | 80.6% | – | – |
| March | 78.1% | 94.9% | ▲ 21.4% |
| April | 28.6% | 91.7% | ▲ 220.9% |
| May | 0.0% | 33.3% | – |
| June | 57.7% | 100.0% | ▲ 73.3% |
| July | 53.3% | 73.3% | ▲ 37.5% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 59.1% | – | in progress |
| November | 40.0% | – | – |
| December | 25.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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% 325
- Cancelled 0.6% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| CLE MDW Cleveland Hopkins International Airport – Chicago Midway International Airport | 493 | 4.9 min | 82.7% | 75 |
| DJT ISP President Donald J. Trump International Airport – Long Island MacArthur Airport | 1,696 | 42.7 min | 58.3% | 60 |
| ORD DEN Chicago O'Hare International Airport – Denver International Airport | 1,426 | 20.5 min | 69.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 10 | 10 | 100.0% | 0 |
| December 2024 | 14 | 14 | 85.7% | 0 |
| January 2025 | 46 | 46 | 84.8% | 0 |
| February 2025 | 36 | 36 | 80.6% | 0 |
| March 2025 | 32 | 32 | 78.1% | 0 |
| April 2025 | 7 | 7 | 28.6% | 0 |
| May 2025 | 1 | 1 | 0.0% | 0 |
| June 2025 | 26 | 26 | 57.7% | 0 |
| July 2025 | 30 | 30 | 53.3% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 22 | 22 | 59.1% | 0 |
| November 2025 | 5 | 5 | 40.0% | 0 |
| December 2025 | 4 | 4 | 25.0% | 0 |
| January 2026 | 6 | 5 | 100.0% | 1 |
| March 2026 | 39 | 39 | 94.9% | 0 |
| April 2026 | 12 | 12 | 91.7% | 0 |
| May 2026 | 4 | 3 | 33.3% | 1 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 15 | 15 | 73.3% | 0 |