WN1553
WN1553 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Las Vegas to Burbank. Of 588 departures recorded from October 2024 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 588 flights
- Average delay13.2 min
- July 202621▼ 25.0%vs July 2025
- Cancelled0.2%
- Legs flown under this number28
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 | 28 | 27 | ▼ 3.6% |
| February | 26 | 27 | ▲ 3.8% |
| March | 15 | 38 | ▲ 153.3% |
| April | 26 | 7 | ▼ 73.1% |
| May | 31 | 1 | ▼ 96.8% |
| June | 26 | 20 | ▼ 23.1% |
| July | 28 | 21 | ▼ 25.0% |
| August | 44 | – | – |
| September | 47 | – | – |
| October | 34 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 180 | 141 | ▼ 21.7% |
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 | 85.2% | 81.5% | ▼ 4.4% |
| February | 92.3% | 63.0% | ▼ 31.8% |
| March | 93.3% | 50.0% | ▼ 46.4% |
| April | 88.5% | 71.4% | ▼ 19.3% |
| May | 74.2% | 100.0% | ▲ 34.8% |
| June | 92.3% | 40.0% | ▼ 56.7% |
| July | 100.0% | 61.9% | ▼ 38.1% |
| August | 59.1% | – | – |
| September | 70.2% | – | – |
| October | 70.6% | – | in progress |
| November | 82.1% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 89.4% | 66.8% | ▼ 25.3% |
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 | 1 | 0 | ▼ 100.0% |
| 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) | 1 | 0 | ▼ 100.0% |
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 99.8% 587
- Cancelled 0.2% 1
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS BUR Harry Reid International Airport – Hollywood Burbank/Bob Hope Airport | 359 | 11.0 min | 79.4% | 63 |
| SJC HOU Mineta San Jose International Airport – William P. Hobby Airport | 2,605 | 1.7 min | 91.7% | 61 |
| PHX SEA Phoenix Sky Harbor International Airport – Seattle–Tacoma International Airport | 1,782 | 10.6 min | 79.3% | 58 |
| MEM HOU Frederick W. Smith International Airport – William P. Hobby Airport | 780 | 9.2 min | 73.7% | 57 |
| DEN OMA Denver International Airport – Eppley Airfield | 758 | 20.5 min | 71.7% | 53 |
| BUR SJC Hollywood Burbank/Bob Hope Airport – Mineta San Jose International Airport | 477 | -5.3 min | 98.1% | 52 |
| LAS SJC Harry Reid International Airport – Mineta San Jose International Airport | 620 | 2.8 min | 91.4% | 35 |
| DEN IND Denver International Airport – Indianapolis International Airport | 1,568 | 21.6 min | 52.9% | 34 |
| MSY DCA Louis Armstrong New Orleans International Airport – Ronald Reagan Washington National Airport | 1,560 | 54.0 min | 48.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 62.5% | 0 |
| November 2024 | 33 | 33 | 87.9% | 0 |
| December 2024 | 34 | 34 | 88.2% | 0 |
| January 2025 | 28 | 27 | 85.2% | 1 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 15 | 15 | 93.3% | 0 |
| April 2025 | 26 | 26 | 88.5% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 28 | 28 | 100.0% | 0 |
| August 2025 | 44 | 44 | 59.1% | 0 |
| September 2025 | 47 | 47 | 70.2% | 0 |
| October 2025 | 34 | 34 | 70.6% | 0 |
| November 2025 | 28 | 28 | 82.1% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 27 | 27 | 81.5% | 0 |
| February 2026 | 27 | 27 | 63.0% | 0 |
| March 2026 | 38 | 38 | 50.0% | 0 |
| April 2026 | 7 | 7 | 71.4% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 20 | 20 | 40.0% | 0 |
| July 2026 | 21 | 21 | 61.9% | 0 |