WN489
WN489 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Baltimore to Detroit. Of 673 departures recorded from October 2024 to July 2026, 76.5% left on time, according to the US BTS.
- On-time departures76.5%of 673 flights
- Average delay11.3 min
- July 202640▲ 100.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number32
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 | 33 | 32 | ▼ 3.0% |
| February | 33 | 35 | ▲ 6.1% |
| March | 28 | 36 | ▲ 28.6% |
| April | 20 | 31 | ▲ 55.0% |
| May | 15 | 31 | ▲ 106.7% |
| June | 24 | 37 | ▲ 54.2% |
| July | 20 | 40 | ▲ 100.0% |
| August | 36 | – | – |
| September | 34 | – | – |
| October | 23 | – | in progress |
| November | 38 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 173 | 242 | ▲ 39.9% |
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 | 87.9% | 81.3% | ▼ 7.5% |
| February | 87.5% | 94.3% | ▲ 7.8% |
| March | 73.1% | 80.6% | ▲ 10.2% |
| April | 90.0% | 93.6% | ▲ 3.9% |
| May | 86.7% | 83.9% | ▼ 3.2% |
| June | 58.3% | 59.5% | ▲ 1.9% |
| July | 65.0% | 37.5% | ▼ 42.3% |
| August | 75.0% | – | – |
| September | 78.8% | – | – |
| October | 56.5% | – | in progress |
| November | 78.4% | – | – |
| December | 63.6% | – | – |
| Year-to-date average (Jan–Jul) | 78.4% | 75.8% | ▼ 3.3% |
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 | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 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 99.1% 667
- Cancelled 0.9% 6
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI DTW Baltimore/Washington International Thurgood Marshall Airport – Detroit Metropolitan Wayne County Airport | 657 | 18.2 min | 66.1% | 64 |
| HNL LIH Daniel K. Inouye International Airport – Lihue Airport | 163 | 0.2 min | 89.7% | 58 |
| LAX RNO Los Angeles International Airport – Reno Tahoe International Airport | 630 | 13.1 min | 75.4% | 58 |
| PHX RNO Phoenix Sky Harbor International Airport – Reno Tahoe International Airport | 967 | 7.8 min | 78.4% | 52 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 0.4 min | 96.2% | 52 |
| AUS BNA Austin Bergstrom International Airport – Nashville International Airport | 1,215 | 25.0 min | 61.4% | 44 |
| BNA DAL Nashville International Airport – Dallas Love Field | 1,000 | 31.6 min | 38.1% | 42 |
| MSP STL Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – St. Louis Lambert International Airport | 722 | 1.4 min | 92.7% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 90.5% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 33 | 33 | 87.9% | 0 |
| February 2025 | 33 | 32 | 87.5% | 1 |
| March 2025 | 28 | 26 | 73.1% | 2 |
| April 2025 | 20 | 20 | 90.0% | 0 |
| May 2025 | 15 | 15 | 86.7% | 0 |
| June 2025 | 24 | 24 | 58.3% | 0 |
| July 2025 | 20 | 20 | 65.0% | 0 |
| August 2025 | 36 | 36 | 75.0% | 0 |
| September 2025 | 34 | 33 | 78.8% | 1 |
| October 2025 | 23 | 23 | 56.5% | 0 |
| November 2025 | 38 | 37 | 78.4% | 1 |
| December 2025 | 45 | 44 | 63.6% | 1 |
| January 2026 | 32 | 32 | 81.3% | 0 |
| February 2026 | 35 | 35 | 94.3% | 0 |
| March 2026 | 36 | 36 | 80.6% | 0 |
| April 2026 | 31 | 31 | 93.6% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 37 | 37 | 59.5% | 0 |
| July 2026 | 40 | 40 | 37.5% | 0 |