WN3588
WN3588 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Phoenix to Colorado Springs. Of 513 departures recorded from October 2024 to July 2026, 77.5% left on time, according to the US BTS.
- On-time departures77.5%of 513 flights
- Average delay13.3 min
- July 20269▼ 70.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number31
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 28 | ▲ 1,300.0% |
| February | – | 25 | – |
| March | 30 | 31 | ▲ 3.3% |
| April | 31 | 40 | ▲ 29.0% |
| May | 30 | 42 | ▲ 40.0% |
| June | 30 | 24 | ▼ 20.0% |
| July | 30 | 9 | ▼ 70.0% |
| August | 7 | – | – |
| September | 4 | – | – |
| October | 67 | – | in progress |
| November | 24 | – | – |
| December | 22 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 100.0% | – |
| February | – | 96.0% | – |
| March | 96.7% | 61.3% | ▼ 36.6% |
| April | 83.9% | 95.0% | ▲ 13.3% |
| May | 80.0% | 95.0% | ▲ 18.8% |
| June | 46.7% | 58.3% | ▲ 25.0% |
| July | 40.0% | 55.6% | ▲ 38.9% |
| August | 57.1% | – | – |
| September | 75.0% | – | – |
| October | 82.1% | – | in progress |
| November | 75.0% | – | – |
| December | 77.3% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.4% 510
- Cancelled 0.6% 3
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX COS Phoenix Sky Harbor International Airport – City of Colorado Springs Municipal Airport | 887 | 37.6 min | 40.0% | 60 |
| SLC DEN Salt Lake City International Airport – Denver International Airport | 628 | 2.7 min | 98.2% | 55 |
| SEA OAK Seattle–Tacoma International Airport – Oakland San Francisco Bay Airport | 1,082 | -2.8 min | 100.0% | 49 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 13.9 min | 77.8% | 45 |
| SMF PSP Sacramento International Airport – Palm Springs International Airport | 707 | 17.8 min | 80.7% | 31 |
| OAK SNA Oakland San Francisco Bay Airport – John Wayne Orange County International Airport | 597 | 7.0 min | 90.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 26 | 26 | 80.8% | 0 |
| November 2024 | 6 | 6 | 66.7% | 0 |
| December 2024 | 5 | 4 | 50.0% | 1 |
| January 2025 | 2 | 2 | 0.0% | 0 |
| March 2025 | 30 | 30 | 96.7% | 0 |
| April 2025 | 31 | 31 | 83.9% | 0 |
| May 2025 | 30 | 30 | 80.0% | 0 |
| June 2025 | 30 | 30 | 46.7% | 0 |
| July 2025 | 30 | 30 | 40.0% | 0 |
| August 2025 | 7 | 7 | 57.1% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 67 | 67 | 82.1% | 0 |
| November 2025 | 24 | 24 | 75.0% | 0 |
| December 2025 | 22 | 22 | 77.3% | 0 |
| January 2026 | 28 | 28 | 100.0% | 0 |
| February 2026 | 25 | 25 | 96.0% | 0 |
| March 2026 | 31 | 31 | 61.3% | 0 |
| April 2026 | 40 | 40 | 95.0% | 0 |
| May 2026 | 42 | 40 | 95.0% | 2 |
| June 2026 | 24 | 24 | 58.3% | 0 |
| July 2026 | 9 | 9 | 55.6% | 0 |