WN1548
WN1548 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Las Vegas to Burbank. Of 590 departures recorded from October 2024 to July 2026, 78.3% left on time, according to the US BTS.
- On-time departures78.3%of 590 flights
- Average delay11.3 min
- July 202612▼ 55.6%vs July 2025
- Cancelled1.7%
- Legs flown under this number23
according to the US BTS · Oct 12, 2024 → Jul 26, 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 | 10 | 52 | ▲ 420.0% |
| February | 17 | 49 | ▲ 188.2% |
| March | 28 | 35 | ▲ 25.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 26 | 15 | ▼ 42.3% |
| July | 27 | 12 | ▼ 55.6% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 169 | 224 | ▲ 32.5% |
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 | 80.0% | 77.1% | ▼ 3.7% |
| February | 88.2% | 73.5% | ▼ 16.7% |
| March | 92.9% | 85.7% | ▼ 7.7% |
| April | 90.0% | 50.0% | ▼ 44.4% |
| May | 64.5% | 67.7% | ▲ 5.0% |
| June | 73.1% | 80.0% | ▲ 9.5% |
| July | 88.9% | 75.0% | ▼ 15.6% |
| August | 79.3% | – | – |
| September | 79.3% | – | – |
| October | 54.8% | – | in progress |
| November | 92.6% | – | – |
| December | 88.5% | – | – |
| Year-to-date average (Jan–Jul) | 82.5% | 72.7% | ▼ 11.9% |
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 | 4 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 98.3% 580
- Cancelled 1.7% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 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 BUR Harry Reid International Airport – Hollywood Burbank/Bob Hope Airport | 359 | 6.7 min | 84.4% | 115 |
| RSW STL Southwest Florida International Airport – St. Louis Lambert International Airport | 1,578 | 26.2 min | 55.2% | 58 |
| PHL STL Philadelphia International Airport – St. Louis Lambert International Airport | 1,306 | 20.9 min | 75.9% | 58 |
| SJC SEA Mineta San Jose International Airport – Seattle–Tacoma International Airport | 1,122 | 9.8 min | 78.9% | 52 |
| DAL MDW Dallas Love Field – Chicago Midway International Airport | 1,277 | 9.5 min | 83.7% | 43 |
| DCA ATL Ronald Reagan Washington National Airport – Hartsfield Jackson Atlanta International Airport | 880 | 3.5 min | 85.0% | 42 |
| ISP DJT Long Island MacArthur Airport – President Donald J. Trump International Airport | 1,696 | 2.9 min | 93.9% | 33 |
| PHX BNA Phoenix Sky Harbor International Airport – Nashville International Airport | 2,326 | 30.2 min | 54.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 13 | 13 | 76.9% | 0 |
| December 2024 | 16 | 16 | 93.8% | 0 |
| January 2025 | 10 | 10 | 80.0% | 0 |
| February 2025 | 17 | 17 | 88.2% | 0 |
| March 2025 | 28 | 28 | 92.9% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 26 | 26 | 73.1% | 0 |
| July 2025 | 27 | 27 | 88.9% | 0 |
| August 2025 | 29 | 29 | 79.3% | 0 |
| September 2025 | 30 | 29 | 79.3% | 1 |
| October 2025 | 31 | 31 | 54.8% | 0 |
| November 2025 | 29 | 27 | 92.6% | 2 |
| December 2025 | 29 | 26 | 88.5% | 3 |
| January 2026 | 52 | 48 | 77.1% | 4 |
| February 2026 | 49 | 49 | 73.5% | 0 |
| March 2026 | 35 | 35 | 85.7% | 0 |
| April 2026 | 30 | 30 | 50.0% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 15 | 15 | 80.0% | 0 |
| July 2026 | 12 | 12 | 75.0% | 0 |