WN3683
WN3683 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Chicago to Denver. Of 364 departures recorded from October 2024 to July 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 364 flights
- Average delay16.1 min
- July 20263▼ 90.3%vs July 2025
- Cancelled0.6%
- Legs flown under this number25
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 | 5 | 2 | ▼ 60.0% |
| February | 14 | 24 | ▲ 71.4% |
| March | 25 | 11 | ▼ 56.0% |
| April | 29 | 26 | ▼ 10.3% |
| May | 28 | 31 | ▲ 10.7% |
| June | 31 | 7 | ▼ 77.4% |
| July | 31 | 3 | ▼ 90.3% |
| August | 7 | – | – |
| September | 4 | – | – |
| October | 26 | – | in progress |
| November | 26 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 163 | 104 | ▼ 36.2% |
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 | 100.0% | 50.0% | ▼ 50.0% |
| February | 71.4% | 87.5% | ▲ 22.5% |
| March | 96.0% | 81.8% | ▼ 14.8% |
| April | 69.0% | 73.1% | ▲ 6.0% |
| May | 70.4% | 58.1% | ▼ 17.5% |
| June | 93.6% | 57.1% | ▼ 38.9% |
| July | 90.3% | 0.0% | ▼ 100.0% |
| August | 57.1% | – | – |
| September | 25.0% | – | – |
| October | 84.0% | – | in progress |
| November | 50.0% | – | – |
| December | 55.0% | – | – |
| Year-to-date average (Jan–Jul) | 84.4% | 58.2% | ▼ 31.0% |
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 | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| 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 99.5% 362
- Cancelled 0.5% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD DEN Chicago O'Hare International Airport – Denver International Airport | 1,426 | 33.6 min | 63.8% | 58 |
| BNA ATL Nashville International Airport – Hartsfield Jackson Atlanta International Airport | 344 | 15.7 min | 77.1% | 49 |
| SAN MDW San Diego International Airport – Chicago Midway International Airport | 2,776 | 17.4 min | 52.2% | 46 |
| AUS SJC Austin Bergstrom International Airport – Mineta San Jose International Airport | 2,372 | -1.5 min | 94.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 66.7% | 0 |
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 9 | 9 | 88.9% | 0 |
| January 2025 | 5 | 5 | 100.0% | 0 |
| February 2025 | 14 | 14 | 71.4% | 0 |
| March 2025 | 25 | 25 | 96.0% | 0 |
| April 2025 | 29 | 29 | 69.0% | 0 |
| May 2025 | 28 | 27 | 70.4% | 1 |
| June 2025 | 31 | 31 | 93.6% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 7 | 7 | 57.1% | 0 |
| September 2025 | 4 | 4 | 25.0% | 0 |
| October 2025 | 26 | 25 | 84.0% | 1 |
| November 2025 | 26 | 26 | 50.0% | 0 |
| December 2025 | 20 | 20 | 55.0% | 0 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| February 2026 | 24 | 24 | 87.5% | 0 |
| March 2026 | 11 | 11 | 81.8% | 0 |
| April 2026 | 26 | 26 | 73.1% | 0 |
| May 2026 | 31 | 31 | 58.1% | 0 |
| June 2026 | 7 | 7 | 57.1% | 0 |
| July 2026 | 3 | 3 | 0.0% | 0 |