WN3827
WN3827 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Charlotte to Chicago. Of 577 departures recorded from October 2024 to July 2026, 72.7% left on time, according to the US BTS.
- On-time departures72.7%of 577 flights
- Average delay14.9 min
- July 202627▼ 25.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number28
according to the US BTS · Oct 13, 2024 → Jul 31, 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 | 12 | 26 | ▲ 116.7% |
| February | 17 | 27 | ▲ 58.8% |
| March | 68 | 51 | ▼ 25.0% |
| April | 34 | 34 | 0.0% |
| May | 22 | 24 | ▲ 9.1% |
| June | 33 | 26 | ▼ 21.2% |
| July | 36 | 27 | ▼ 25.0% |
| August | 19 | – | – |
| September | 17 | – | – |
| October | 35 | – | in progress |
| November | 7 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 222 | 215 | ▼ 3.2% |
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 | 91.7% | 80.8% | ▼ 11.9% |
| February | 47.1% | 40.7% | ▼ 13.4% |
| March | 80.3% | 86.3% | ▲ 7.4% |
| April | 73.5% | 82.4% | ▲ 12.0% |
| May | 95.5% | 83.3% | ▼ 12.7% |
| June | 57.6% | 84.6% | ▲ 47.0% |
| July | 51.4% | 88.9% | ▲ 72.8% |
| August | 52.6% | – | – |
| September | 82.4% | – | – |
| October | 80.0% | – | in progress |
| November | 85.7% | – | – |
| December | 52.6% | – | – |
| Year-to-date average (Jan–Jul) | 71.0% | 78.1% | ▲ 10.0% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 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 99.5% 574
- Cancelled 0.5% 3
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| CLT MDW Charlotte Douglas International Airport – Chicago Midway International Airport | 940 | 33.7 min | 50.0% | 61 |
| STL PHX St. Louis Lambert International Airport – Phoenix Sky Harbor International Airport | 2,026 | 13.9 min | 56.6% | 53 |
| BWI PVD Baltimore/Washington International Thurgood Marshall Airport – Rhode Island T. F. Green International Airport | 526 | 15.7 min | 64.2% | 53 |
| PHX MDW Phoenix Sky Harbor International Airport – Chicago Midway International Airport | 2,319 | 10.2 min | 82.4% | 51 |
| SNA SJC John Wayne Orange County International Airport – Mineta San Jose International Airport | 550 | 13.4 min | 78.6% | 42 |
| SMF SLC Sacramento International Airport – Salt Lake City International Airport | 854 | 2.4 min | 90.5% | 42 |
| GEG LAS Spokane International Airport – Harry Reid International Airport | 1,298 | -0.4 min | 93.9% | 33 |
| SNA PHX John Wayne Orange County International Airport – Phoenix Sky Harbor International Airport | 544 | 9.9 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 54.6% | 0 |
| November 2024 | 18 | 18 | 88.9% | 0 |
| December 2024 | 14 | 14 | 14.3% | 0 |
| January 2025 | 12 | 12 | 91.7% | 0 |
| February 2025 | 17 | 17 | 47.1% | 0 |
| March 2025 | 68 | 66 | 80.3% | 2 |
| April 2025 | 34 | 34 | 73.5% | 0 |
| May 2025 | 22 | 22 | 95.5% | 0 |
| June 2025 | 33 | 33 | 57.6% | 0 |
| July 2025 | 36 | 35 | 51.4% | 1 |
| August 2025 | 19 | 19 | 52.6% | 0 |
| September 2025 | 17 | 17 | 82.4% | 0 |
| October 2025 | 35 | 35 | 80.0% | 0 |
| November 2025 | 7 | 7 | 85.7% | 0 |
| December 2025 | 19 | 19 | 52.6% | 0 |
| January 2026 | 26 | 26 | 80.8% | 0 |
| February 2026 | 27 | 27 | 40.7% | 0 |
| March 2026 | 51 | 51 | 86.3% | 0 |
| April 2026 | 34 | 34 | 82.4% | 0 |
| May 2026 | 24 | 24 | 83.3% | 0 |
| June 2026 | 26 | 26 | 84.6% | 0 |
| July 2026 | 27 | 27 | 88.9% | 0 |