WN1786
WN1786 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Detroit to Chicago. Of 674 departures recorded from October 2024 to July 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 674 flights
- Average delay10.6 min
- July 20266▼ 80.6%vs July 2025
- Cancelled0.5%
- Legs flown under this number31
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 | 32 | 30 | ▼ 6.3% |
| February | 32 | 35 | ▲ 9.4% |
| March | 26 | 32 | ▲ 23.1% |
| April | 28 | 30 | ▲ 7.1% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 7 | ▼ 76.7% |
| July | 31 | 6 | ▼ 80.6% |
| August | 51 | – | – |
| September | 56 | – | – |
| October | 75 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 209 | 171 | ▼ 18.2% |
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 | 81.3% | 83.3% | ▲ 2.6% |
| February | 87.5% | 74.3% | ▼ 15.1% |
| March | 92.3% | 84.4% | ▼ 8.6% |
| April | 78.6% | 60.0% | ▼ 23.6% |
| May | 79.3% | 19.4% | ▼ 75.6% |
| June | 86.7% | 57.1% | ▼ 34.1% |
| July | 71.0% | 83.3% | ▲ 17.4% |
| August | 84.3% | – | – |
| September | 96.4% | – | – |
| October | 69.3% | – | in progress |
| November | 96.4% | – | – |
| December | 75.0% | – | – |
| Year-to-date average (Jan–Jul) | 82.4% | 66.0% | ▼ 19.9% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.6% 671
- Cancelled 0.4% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW MDW Detroit Metropolitan Wayne County Airport – Chicago Midway International Airport | 367 | 3.2 min | 89.9% | 69 |
| PHL BNA Philadelphia International Airport – Nashville International Airport | 1,084 | 15.1 min | 78.6% | 57 |
| MDW SFO Chicago Midway International Airport – San Francisco International Airport | 2,977 | 33.9 min | 36.8% | 57 |
| OMA DEN Eppley Airfield – Denver International Airport | 758 | -0.4 min | 95.6% | 46 |
| BWI MHT Baltimore/Washington International Thurgood Marshall Airport – Manchester-Boston Regional Airport | 606 | 16.3 min | 69.8% | 43 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 1.3 min | 95.2% | 42 |
| ONT LAS Ontario International Airport – Harry Reid International Airport | 317 | -2.7 min | 91.7% | 36 |
| AUS MCO Austin Bergstrom International Airport – Orlando International Airport | 1,596 | 1.9 min | 84.9% | 33 |
| SJC ONT Mineta San Jose International Airport – Ontario International Airport | 536 | 19.0 min | 70.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 12 | 12 | 83.3% | 0 |
| December 2024 | 22 | 22 | 81.8% | 0 |
| January 2025 | 32 | 32 | 81.3% | 0 |
| February 2025 | 32 | 32 | 87.5% | 0 |
| March 2025 | 26 | 26 | 92.3% | 0 |
| April 2025 | 28 | 28 | 78.6% | 0 |
| May 2025 | 30 | 29 | 79.3% | 1 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 51 | 51 | 84.3% | 0 |
| September 2025 | 56 | 56 | 96.4% | 0 |
| October 2025 | 75 | 75 | 69.3% | 0 |
| November 2025 | 29 | 28 | 96.4% | 1 |
| December 2025 | 29 | 28 | 75.0% | 1 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 35 | 35 | 74.3% | 0 |
| March 2026 | 32 | 32 | 84.4% | 0 |
| April 2026 | 30 | 30 | 60.0% | 0 |
| May 2026 | 31 | 31 | 19.4% | 0 |
| June 2026 | 7 | 7 | 57.1% | 0 |
| July 2026 | 6 | 6 | 83.3% | 0 |