WN3633
WN3633 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Las Vegas to Oakland. Of 675 departures recorded from October 2024 to July 2026, 62.5% left on time, according to the US BTS.
- On-time departures62.5%of 675 flights
- Average delay24.7 min
- July 202623▼ 58.9%vs July 2025
- Cancelled0.2%
- Legs flown under this number25
according to the US BTS · Oct 15, 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 | 32 | 35 | ▲ 9.4% |
| February | 17 | 28 | ▲ 64.7% |
| March | 41 | 27 | ▼ 34.1% |
| April | 42 | 8 | ▼ 81.0% |
| May | 44 | 4 | ▼ 90.9% |
| June | 55 | 19 | ▼ 65.5% |
| July | 56 | 23 | ▼ 58.9% |
| August | 35 | – | – |
| September | 30 | – | – |
| October | 2 | – | in progress |
| November | 32 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 287 | 144 | ▼ 49.8% |
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 | 71.9% | 91.4% | ▲ 27.2% |
| February | 82.4% | 82.1% | ▼ 0.3% |
| March | 73.2% | 77.8% | ▲ 6.3% |
| April | 69.1% | 62.5% | ▼ 9.5% |
| May | 47.7% | 50.0% | ▲ 4.8% |
| June | 34.6% | 5.3% | ▼ 84.8% |
| July | 55.4% | 21.7% | ▼ 60.7% |
| August | 54.3% | – | – |
| September | 63.3% | – | – |
| October | 100.0% | – | in progress |
| November | 93.8% | – | – |
| December | 75.5% | – | – |
| Year-to-date average (Jan–Jul) | 62.0% | 55.8% | ▼ 10.0% |
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 | 0 | – |
| March | 0 | 0 | – |
| 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 | 0 |
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 99.9% 674
- Cancelled 0.1% 1
Share of all recorded flights in the period, all legs. · Oct 15, 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 OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | 20.9 min | 62.5% | 72 |
| SMF HNL Sacramento International Airport – Daniel K. Inouye International Airport | 3,960 | 3.7 min | 86.2% | 58 |
| BWI SFO Baltimore/Washington International Thurgood Marshall Airport – San Francisco International Airport | 3,944 | 19.1 min | 65.5% | 58 |
| FLL MDW Fort Lauderdale Hollywood International Airport – Chicago Midway International Airport | 1,881 | 27.3 min | 61.4% | 57 |
| MCO PIT Orlando International Airport – Pittsburgh International Airport | 1,345 | 0.7 min | 95.7% | 46 |
| SFO AUS San Francisco International Airport – Austin Bergstrom International Airport | 2,417 | 52.8 min | 14.3% | 42 |
| BWI ABQ Baltimore/Washington International Thurgood Marshall Airport – Albuquerque International Sunport | 2,682 | 14.2 min | 67.7% | 34 |
| SLC LAX Salt Lake City International Airport – Los Angeles International Airport | 949 | 20.4 min | 66.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 50 | 49 | 44.9% | 1 |
| December 2024 | 34 | 34 | 70.6% | 0 |
| January 2025 | 32 | 32 | 71.9% | 0 |
| February 2025 | 17 | 17 | 82.4% | 0 |
| March 2025 | 41 | 41 | 73.2% | 0 |
| April 2025 | 42 | 42 | 69.1% | 0 |
| May 2025 | 44 | 44 | 47.7% | 0 |
| June 2025 | 55 | 55 | 34.6% | 0 |
| July 2025 | 56 | 56 | 55.4% | 0 |
| August 2025 | 35 | 35 | 54.3% | 0 |
| September 2025 | 30 | 30 | 63.3% | 0 |
| October 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 32 | 32 | 93.8% | 0 |
| December 2025 | 49 | 49 | 75.5% | 0 |
| January 2026 | 35 | 35 | 91.4% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 27 | 27 | 77.8% | 0 |
| April 2026 | 8 | 8 | 62.5% | 0 |
| May 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 19 | 19 | 5.3% | 0 |
| July 2026 | 23 | 23 | 21.7% | 0 |