WN3395
WN3395 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Chicago to St Louis. Of 445 departures recorded from October 2024 to July 2026, 71.5% left on time, according to the US BTS.
- On-time departures71.5%of 445 flights
- Average delay14.4 min
- July 202622▲ 4.8%vs July 2025
- Cancelled1.6%
- 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 | 9 | 5 | ▼ 44.4% |
| February | 31 | 18 | ▼ 41.9% |
| March | 30 | 45 | ▲ 50.0% |
| April | 18 | 37 | ▲ 105.6% |
| May | 12 | 36 | ▲ 200.0% |
| June | 23 | 23 | 0.0% |
| July | 21 | 22 | ▲ 4.8% |
| August | 16 | – | – |
| September | 13 | – | – |
| October | 15 | – | in progress |
| November | 4 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 144 | 186 | ▲ 29.2% |
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 | 85.7% | 80.0% | ▼ 6.7% |
| February | 87.1% | 66.7% | ▼ 23.5% |
| March | 83.3% | 70.5% | ▼ 15.5% |
| April | 61.1% | 67.6% | ▲ 10.6% |
| May | 58.3% | 47.2% | ▼ 19.0% |
| June | 73.9% | 54.6% | ▼ 26.2% |
| July | 66.7% | 63.6% | ▼ 4.5% |
| August | 87.5% | – | – |
| September | 100.0% | – | – |
| October | 46.7% | – | in progress |
| November | 50.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 73.7% | 64.3% | ▼ 12.8% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 98.4% 438
- Cancelled 1.6% 7
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW STL Chicago Midway International Airport – St. Louis Lambert International Airport | 404 | 28.6 min | 54.0% | 50 |
| LAS RNO Harry Reid International Airport – Reno Tahoe International Airport | 556 | 18.4 min | 62.9% | 35 |
| PNS HOU Pensacola International Airport – William P. Hobby Airport | 784 | 22.6 min | 51.5% | 34 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 12.5 min | 69.7% | 33 |
| BUR SMF Hollywood Burbank/Bob Hope Airport – Sacramento International Airport | 577 | 9.6 min | 75.8% | 33 |
| TUL STL Tulsa International Airport – St. Louis Lambert International Airport | 563 | -1.9 min | 100.0% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 23 | 95.7% | 2 |
| November 2024 | 15 | 15 | 86.7% | 0 |
| December 2024 | 25 | 24 | 75.0% | 1 |
| January 2025 | 9 | 7 | 85.7% | 2 |
| February 2025 | 31 | 31 | 87.1% | 0 |
| March 2025 | 30 | 30 | 83.3% | 0 |
| April 2025 | 18 | 18 | 61.1% | 0 |
| May 2025 | 12 | 12 | 58.3% | 0 |
| June 2025 | 23 | 23 | 73.9% | 0 |
| July 2025 | 21 | 21 | 66.7% | 0 |
| August 2025 | 16 | 16 | 87.5% | 0 |
| September 2025 | 13 | 13 | 100.0% | 0 |
| October 2025 | 15 | 15 | 46.7% | 0 |
| November 2025 | 4 | 4 | 50.0% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 18 | 18 | 66.7% | 0 |
| March 2026 | 45 | 44 | 70.5% | 1 |
| April 2026 | 37 | 37 | 67.6% | 0 |
| May 2026 | 36 | 36 | 47.2% | 0 |
| June 2026 | 23 | 22 | 54.6% | 1 |
| July 2026 | 22 | 22 | 63.6% | 0 |