WN321
WN321 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Las Vegas to Omaha. Of 680 departures recorded from October 2024 to July 2026, 80.5% left on time, according to the US BTS.
- On-time departures80.5%of 680 flights
- Average delay11.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number31
according to the US BTS · Oct 12, 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 | 26 | 14 | ▼ 46.2% |
| February | 29 | 22 | ▼ 24.1% |
| March | 31 | 33 | ▲ 6.5% |
| April | 46 | 31 | ▼ 32.6% |
| May | 46 | 31 | ▼ 32.6% |
| June | 34 | 30 | ▼ 11.8% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 45 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 243 | 192 | ▼ 21.0% |
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 | 96.2% | 85.7% | ▼ 10.9% |
| February | 55.2% | 90.5% | ▲ 64.0% |
| March | 80.7% | 29.0% | ▼ 64.0% |
| April | 80.4% | 87.1% | ▲ 8.3% |
| May | 82.6% | 93.6% | ▲ 13.2% |
| June | 67.7% | 100.0% | ▲ 47.8% |
| July | 80.7% | 90.3% | ▲ 12.0% |
| August | 93.6% | – | – |
| September | 86.7% | – | – |
| October | 66.7% | – | in progress |
| November | 71.4% | – | – |
| December | 86.2% | – | – |
| Year-to-date average (Jan–Jul) | 77.6% | 82.3% | ▲ 6.1% |
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 | 1 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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 99.6% 677
- Cancelled 0.4% 3
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS OMA Harry Reid International Airport – Eppley Airfield | 1,765 | 4.6 min | 82.0% | 61 |
| HRL HOU Valley International Airport – William P. Hobby Airport | 446 | 6.5 min | 81.7% | 60 |
| SFO DEN San Francisco International Airport – Denver International Airport | 1,553 | -1.3 min | 96.6% | 58 |
| AUS LAS Austin Bergstrom International Airport – Harry Reid International Airport | 1,752 | -0.7 min | 94.8% | 58 |
| MSY DCA Louis Armstrong New Orleans International Airport – Ronald Reagan Washington National Airport | 1,560 | 20.0 min | 82.5% | 57 |
| BWI LAS Baltimore/Washington International Thurgood Marshall Airport – Harry Reid International Airport | 3,381 | 1.9 min | 91.2% | 57 |
| PIT ATL Pittsburgh International Airport – Hartsfield Jackson Atlanta International Airport | 848 | 15.3 min | 83.7% | 43 |
| LAS BZN Harry Reid International Airport – Bozeman Yellowstone International Airport | 1,129 | 5.2 min | 86.1% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 32 | 32 | 84.4% | 0 |
| January 2025 | 26 | 26 | 96.2% | 0 |
| February 2025 | 29 | 29 | 55.2% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 46 | 46 | 80.4% | 0 |
| May 2025 | 46 | 46 | 82.6% | 0 |
| June 2025 | 34 | 34 | 67.7% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 45 | 45 | 66.7% | 0 |
| November 2025 | 28 | 28 | 71.4% | 0 |
| December 2025 | 29 | 29 | 86.2% | 0 |
| January 2026 | 14 | 14 | 85.7% | 0 |
| February 2026 | 22 | 21 | 90.5% | 1 |
| March 2026 | 33 | 31 | 29.0% | 2 |
| April 2026 | 31 | 31 | 87.1% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 100.0% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |