WN4488
WN4488 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Buffalo to Orlando. Of 414 departures recorded from October 2024 to July 2026, 70.8% left on time, according to the US BTS.
- On-time departures70.8%of 414 flights
- Average delay16.0 min
- July 202620▼ 35.5%vs July 2025
- Cancelled0.7%
- Legs flown under this number19
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 30 | ▲ 3.4% |
| February | 20 | 28 | ▲ 40.0% |
| March | 30 | 27 | ▼ 10.0% |
| April | 19 | 5 | ▼ 73.7% |
| May | 17 | – | – |
| June | 28 | 20 | ▼ 28.6% |
| July | 31 | 20 | ▼ 35.5% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | – | – | in progress |
| November | 17 | – | – |
| December | 15 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 86.2% | 86.7% | ▲ 0.5% |
| February | 95.0% | 67.9% | ▼ 28.6% |
| March | 56.7% | 92.6% | ▲ 63.4% |
| April | 50.0% | 80.0% | ▲ 60.0% |
| May | 23.5% | – | – |
| June | 85.7% | 30.0% | ▼ 65.0% |
| July | 80.7% | 50.0% | ▼ 38.0% |
| August | 50.0% | – | – |
| September | 50.0% | – | – |
| October | – | – | in progress |
| November | 41.2% | – | – |
| December | 53.9% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
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 99.3% 411
- Cancelled 0.7% 3
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BUF MCO Buffalo Niagara International Airport – Orlando International Airport | 1,630 | 0.8 min | 92.6% | 95 |
| SJC BWI Mineta San Jose International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,915 | 8.8 min | 85.3% | 61 |
| MDW DEN Chicago Midway International Airport – Denver International Airport | 1,438 | 7.4 min | 75.4% | 57 |
| BNA BWI Nashville International Airport – Baltimore/Washington International Thurgood Marshall Airport | 944 | 23.5 min | 54.6% | 35 |
| MCO BHM Orlando International Airport – Birmingham-Shuttlesworth International Airport | 771 | 32.6 min | 48.5% | 33 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | 33.6 min | 33.3% | 33 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 69.3 min | 33.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 26 | 26 | 96.2% | 0 |
| December 2024 | 22 | 22 | 81.8% | 0 |
| January 2025 | 29 | 29 | 86.2% | 0 |
| February 2025 | 20 | 20 | 95.0% | 0 |
| March 2025 | 30 | 30 | 56.7% | 0 |
| April 2025 | 19 | 18 | 50.0% | 1 |
| May 2025 | 17 | 17 | 23.5% | 0 |
| June 2025 | 28 | 28 | 85.7% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 8 | 8 | 50.0% | 0 |
| September 2025 | 4 | 4 | 50.0% | 0 |
| November 2025 | 17 | 17 | 41.2% | 0 |
| December 2025 | 15 | 13 | 53.9% | 2 |
| January 2026 | 30 | 30 | 86.7% | 0 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 27 | 27 | 92.6% | 0 |
| April 2026 | 5 | 5 | 80.0% | 0 |
| June 2026 | 20 | 20 | 30.0% | 0 |
| July 2026 | 20 | 20 | 50.0% | 0 |