WN3315
WN3315 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Chicago to Tampa. Of 543 departures recorded from October 2024 to June 2026, 74.4% left on time, according to the US BTS.
- On-time departures74.4%of 543 flights
- Average delay12.2 min
- June 20264▼ 86.7%vs June 2025
- Cancelled0.2%
- Legs flown under this number20
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 6 | ▼ 80.0% |
| February | 28 | – | – |
| March | 31 | 31 | 0.0% |
| April | 7 | 31 | ▲ 342.9% |
| May | – | 31 | – |
| June | 30 | 4 | ▼ 86.7% |
| July | 35 | – | – |
| August | 49 | – | – |
| September | 51 | – | – |
| October | 31 | – | in progress |
| November | 36 | – | – |
| December | 43 | – | – |
according to the US BTS · October 2024 → June 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 73.3% | 66.7% | ▼ 9.1% |
| February | 82.1% | – | – |
| March | 67.7% | 48.4% | ▼ 28.6% |
| April | 57.1% | 71.0% | ▲ 24.2% |
| May | – | 54.8% | – |
| June | 73.3% | 0.0% | ▼ 100.0% |
| July | 51.4% | – | – |
| August | 81.6% | – | – |
| September | 94.1% | – | – |
| October | 77.4% | – | in progress |
| November | 85.7% | – | – |
| December | 81.4% | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → June 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 99.8% 542
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 4, 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 TPA Chicago Midway International Airport – Tampa International Airport | 1,607 | 9.8 min | 78.6% | 103 |
| LAS SMF Harry Reid International Airport – Sacramento International Airport | 639 | 6.5 min | 81.7% | 60 |
| DEN PHX Denver International Airport – Phoenix Sky Harbor International Airport | 968 | 24.5 min | 55.2% | 58 |
| STL TUL St. Louis Lambert International Airport – Tulsa International Airport | 563 | 5.9 min | 89.5% | 57 |
| LAS HOU Harry Reid International Airport – William P. Hobby Airport | 1,985 | 27.3 min | 53.5% | 43 |
| PHX BOI Phoenix Sky Harbor International Airport – Boise Air Terminal/Gowen Field | 1,184 | 17.3 min | 66.7% | 33 |
| OGG LIH Kahului International Airport – Lihue Airport | 324 | 2.7 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 27 | 27 | 85.2% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 30 | 30 | 73.3% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 67.7% | 0 |
| April 2025 | 7 | 7 | 57.1% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 35 | 35 | 51.4% | 0 |
| August 2025 | 49 | 49 | 81.6% | 0 |
| September 2025 | 51 | 51 | 94.1% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 36 | 35 | 85.7% | 1 |
| December 2025 | 43 | 43 | 81.4% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| March 2026 | 31 | 31 | 48.4% | 0 |
| April 2026 | 31 | 31 | 71.0% | 0 |
| May 2026 | 31 | 31 | 54.8% | 0 |
| June 2026 | 4 | 4 | 0.0% | 0 |