WN3258
WN3258 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Chicago to Washington. Of 450 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 450 flights
- Average delay11.4 min
- July 202630▲ 650.0%vs July 2025
- Cancelled1.6%
- Legs flown under this number33
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 | 8 | 12 | ▲ 50.0% |
| February | 6 | 2 | ▼ 66.7% |
| March | 27 | 20 | ▼ 25.9% |
| April | 29 | 29 | 0.0% |
| May | 22 | 31 | ▲ 40.9% |
| June | 10 | 30 | ▲ 200.0% |
| July | 4 | 30 | ▲ 650.0% |
| August | 19 | – | – |
| September | 17 | – | – |
| October | 31 | – | in progress |
| November | 47 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 106 | 154 | ▲ 45.3% |
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 | 62.5% | 75.0% | ▲ 20.0% |
| February | 100.0% | 100.0% | 0.0% |
| March | 88.0% | 80.0% | ▼ 9.1% |
| April | 69.0% | 96.6% | ▲ 40.0% |
| May | 75.0% | 96.8% | ▲ 29.0% |
| June | 70.0% | 90.0% | ▲ 28.6% |
| July | 25.0% | 83.3% | ▲ 233.3% |
| August | 89.5% | – | – |
| September | 64.7% | – | – |
| October | 96.8% | – | in progress |
| November | 55.6% | – | – |
| December | 62.5% | – | – |
| Year-to-date average (Jan–Jul) | 69.9% | 88.8% | ▲ 27.0% |
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 | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 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 98.4% 443
- 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW DCA Chicago Midway International Airport – Ronald Reagan Washington National Airport | 964 | -4.7 min | 98.3% | 58 |
| LAS IND Harry Reid International Airport – Indianapolis International Airport | 2,553 | 8.5 min | 86.0% | 57 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 5.5 min | 87.2% | 41 |
| DAL TPA Dallas Love Field – Tampa International Airport | 1,474 | 23.4 min | 64.1% | 40 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 16.2 min | 76.5% | 34 |
| SRQ IND Sarasota Bradenton International Airport – Indianapolis International Airport | 1,413 | 11.5 min | 80.7% | 33 |
| TPA PHX Tampa International Airport – Phoenix Sky Harbor International Airport | 2,872 | 8.4 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 5 | 5 | 100.0% | 0 |
| December 2024 | 3 | 3 | 100.0% | 0 |
| January 2025 | 8 | 8 | 62.5% | 0 |
| February 2025 | 6 | 6 | 100.0% | 0 |
| March 2025 | 27 | 25 | 88.0% | 2 |
| April 2025 | 29 | 29 | 69.0% | 0 |
| May 2025 | 22 | 20 | 75.0% | 2 |
| June 2025 | 10 | 10 | 70.0% | 0 |
| July 2025 | 4 | 4 | 25.0% | 0 |
| August 2025 | 19 | 19 | 89.5% | 0 |
| September 2025 | 17 | 17 | 64.7% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 47 | 45 | 55.6% | 2 |
| December 2025 | 49 | 48 | 62.5% | 1 |
| January 2026 | 12 | 12 | 75.0% | 0 |
| February 2026 | 2 | 2 | 100.0% | 0 |
| March 2026 | 20 | 20 | 80.0% | 0 |
| April 2026 | 29 | 29 | 96.6% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 30 | 30 | 83.3% | 0 |