WN3707
WN3707 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Chicago to Grand Rapids. Of 492 departures recorded from October 2024 to July 2026, 76.4% left on time, according to the US BTS.
- On-time departures76.4%of 492 flights
- Average delay12.2 min
- July 202623▲ 35.3%vs July 2025
- Cancelled1.0%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 11 | ▲ 266.7% |
| February | 14 | 20 | ▲ 42.9% |
| March | 21 | 30 | ▲ 42.9% |
| April | 28 | 38 | ▲ 35.7% |
| May | 38 | 39 | ▲ 2.6% |
| June | 20 | 24 | ▲ 20.0% |
| July | 17 | 23 | ▲ 35.3% |
| August | 22 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 38 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 141 | 185 | ▲ 31.2% |
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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 90.9% | ▼ 9.1% |
| February | 64.3% | 90.0% | ▲ 40.0% |
| March | 76.2% | 73.3% | ▼ 3.8% |
| April | 100.0% | 52.6% | ▼ 47.4% |
| May | 94.7% | 51.3% | ▼ 45.9% |
| June | 63.2% | 100.0% | ▲ 58.3% |
| July | 58.8% | 100.0% | ▲ 70.0% |
| August | 59.1% | – | – |
| September | 75.0% | – | – |
| October | 86.7% | – | in progress |
| November | 83.8% | – | – |
| December | 62.2% | – | – |
| Year-to-date average (Jan–Jul) | 79.6% | 79.7% | ▲ 0.2% |
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 periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 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 99.0% 487
- Cancelled 1.0% 5
Share of all recorded flights in the period, all legs. · Oct 14, 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 |
|---|---|---|---|---|
| MDW GRR Chicago Midway International Airport – Gerald R. Ford International Airport | 220 | 14.9 min | 72.9% | 60 |
| PDX LAS Portland International Airport – Harry Reid International Airport | 1,227 | 22.0 min | 55.2% | 58 |
| SAV BWI Savannah Hilton Head International Airport – Baltimore/Washington International Thurgood Marshall Airport | 884 | -1.3 min | 100.0% | 54 |
| SJC SNA Mineta San Jose International Airport – John Wayne Orange County International Airport | 550 | -5.7 min | 100.0% | 42 |
| MDW LGA Chicago Midway International Airport – LaGuardia Airport | 1,164 | 22.2 min | 66.7% | 40 |
| MCO HOU Orlando International Airport – William P. Hobby Airport | 1,364 | 25.3 min | 57.1% | 36 |
| LAX MCO Los Angeles International Airport – Orlando International Airport | 3,562 | 19.3 min | 71.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 3 | 3 | 100.0% | 0 |
| February 2025 | 14 | 14 | 64.3% | 0 |
| March 2025 | 21 | 21 | 76.2% | 0 |
| April 2025 | 28 | 28 | 100.0% | 0 |
| May 2025 | 38 | 38 | 94.7% | 0 |
| June 2025 | 20 | 19 | 63.2% | 1 |
| July 2025 | 17 | 17 | 58.8% | 0 |
| August 2025 | 22 | 22 | 59.1% | 0 |
| September 2025 | 21 | 20 | 75.0% | 1 |
| October 2025 | 30 | 30 | 86.7% | 0 |
| November 2025 | 38 | 37 | 83.8% | 1 |
| December 2025 | 45 | 45 | 62.2% | 0 |
| January 2026 | 11 | 11 | 90.9% | 0 |
| February 2026 | 20 | 20 | 90.0% | 0 |
| March 2026 | 30 | 30 | 73.3% | 0 |
| April 2026 | 38 | 38 | 52.6% | 0 |
| May 2026 | 39 | 39 | 51.3% | 0 |
| June 2026 | 24 | 23 | 100.0% | 1 |
| July 2026 | 23 | 22 | 100.0% | 1 |