WN588
WN588 (Southwest Airlines) is a multi-stop service on 36 routes, busiest El Paso to Las Vegas. Of 708 departures recorded from October 2024 to July 2026, 77.1% left on time, according to the US BTS.
- On-time departures77.1%of 708 flights
- Average delay11.1 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number36
Recorded departures by month
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 | 33 | 33 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 37 | 27 | ▼ 27.0% |
| April | 35 | 40 | ▲ 14.3% |
| May | 37 | 43 | ▲ 16.2% |
| June | 30 | 32 | ▲ 6.7% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 34 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 230 | 234 | ▲ 1.7% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 97.0% | 62.5% | ▼ 35.5% |
| February | 100.0% | 70.4% | ▼ 29.6% |
| March | 83.3% | 88.9% | ▲ 6.7% |
| April | 100.0% | 46.2% | ▼ 53.8% |
| May | 94.6% | 46.5% | ▼ 50.8% |
| June | 86.7% | 65.6% | ▼ 24.3% |
| July | 89.7% | 48.4% | ▼ 46.0% |
| August | 93.6% | – | – |
| September | 93.3% | – | – |
| October | 77.4% | – | in progress |
| November | 57.6% | – | – |
| December | 40.0% | – | – |
| Year-to-date average (Jan–Jul) | 93.0% | 61.2% | ▼ 34.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
according to the US BTS · October 2024 → July 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 99.2% 702
- Cancelled 0.8% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ELP LAS El Paso International Airport – Harry Reid International Airport | 938 | -2.3 min | 99.0% | 103 |
| MCO BWI Orlando International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,269 | 6.2 min | 88.1% | 60 |
| LAX MCI Los Angeles International Airport – Kansas City International Airport | 2,190 | -1.1 min | 96.6% | 58 |
| MCI AUS Kansas City International Airport – Austin Bergstrom International Airport | 1,047 | 4.1 min | 93.0% | 57 |
| BDL MDW Bradley International Airport – Chicago Midway International Airport | 1,246 | 21.1 min | 48.8% | 42 |
| TPA BDL Tampa International Airport – Bradley International Airport | 1,790 | 24.7 min | 42.4% | 33 |
| LAS MDW Harry Reid International Airport – Chicago Midway International Airport | 2,442 | 6.5 min | 87.5% | 33 |
| LAS KOA Harry Reid International Airport – Ellison Onizuka Kona International Airport at Keāhole | 4,369 | 7.7 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 41 | 41 | 82.9% | 0 |
| January 2025 | 33 | 33 | 97.0% | 0 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 37 | 36 | 83.3% | 1 |
| April 2025 | 35 | 35 | 100.0% | 0 |
| May 2025 | 37 | 37 | 94.6% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 30 | 29 | 89.7% | 1 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 34 | 33 | 57.6% | 1 |
| December 2025 | 30 | 30 | 40.0% | 0 |
| January 2026 | 33 | 32 | 62.5% | 1 |
| February 2026 | 28 | 27 | 70.4% | 1 |
| March 2026 | 27 | 27 | 88.9% | 0 |
| April 2026 | 40 | 39 | 46.2% | 1 |
| May 2026 | 43 | 43 | 46.5% | 0 |
| June 2026 | 32 | 32 | 65.6% | 0 |
| July 2026 | 31 | 31 | 48.4% | 0 |