WN4227
WN4227 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Washington to Orlando. Of 282 departures recorded from October 2024 to July 2026, 72.1% left on time, according to the US BTS.
- On-time departures72.1%of 282 flights
- Average delay15.9 min
- July 202631
- Cancelled0.7%
- Legs flown under this number16
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 | 9 | 3 | ▼ 66.7% |
| February | 9 | 9 | 0.0% |
| March | 2 | 1 | ▼ 50.0% |
| April | 15 | 24 | ▲ 60.0% |
| May | 23 | 31 | ▲ 34.8% |
| June | 2 | 30 | ▲ 1,400.0% |
| July | – | 31 | – |
| August | 8 | – | – |
| September | 9 | – | – |
| October | 1 | – | in progress |
| November | 4 | – | – |
| December | 9 | – | – |
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 | 25.0% | 100.0% | ▲ 300.0% |
| February | 77.8% | 44.4% | ▼ 42.9% |
| March | 50.0% | 100.0% | ▲ 100.0% |
| April | 66.7% | 87.5% | ▲ 31.2% |
| May | 43.5% | 67.7% | ▲ 55.8% |
| June | 100.0% | 60.0% | ▼ 40.0% |
| July | – | 71.0% | – |
| August | 75.0% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| 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 99.3% 280
- Cancelled 0.7% 2
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA MCO Ronald Reagan Washington National Airport – Orlando International Airport | 1,224 | 14.5 min | 75.9% | 58 |
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 10.3 min | 76.8% | 56 |
| SFO AUS San Francisco International Airport – Austin Bergstrom International Airport | 2,417 | 26.5 min | 60.0% | 50 |
| LAS HOU Harry Reid International Airport – William P. Hobby Airport | 1,985 | 20.3 min | 55.0% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 26 | 26 | 84.6% | 0 |
| December 2024 | 20 | 20 | 85.0% | 0 |
| January 2025 | 9 | 8 | 25.0% | 1 |
| February 2025 | 9 | 9 | 77.8% | 0 |
| March 2025 | 2 | 2 | 50.0% | 0 |
| April 2025 | 15 | 15 | 66.7% | 0 |
| May 2025 | 23 | 23 | 43.5% | 0 |
| June 2025 | 2 | 2 | 100.0% | 0 |
| August 2025 | 8 | 8 | 75.0% | 0 |
| September 2025 | 9 | 8 | 100.0% | 1 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 9 | 9 | 100.0% | 0 |
| January 2026 | 3 | 3 | 100.0% | 0 |
| February 2026 | 9 | 9 | 44.4% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 24 | 24 | 87.5% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 30 | 30 | 60.0% | 0 |
| July 2026 | 31 | 31 | 71.0% | 0 |