WN477
WN477 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Hartford to Orlando. Of 773 departures recorded from October 2024 to July 2026, 80.4% left on time, according to the US BTS.
- On-time departures80.4%of 773 flights
- Average delay8.3 min
- July 202657▲ 90.0%vs July 2025
- Cancelled1.2%
- Legs flown under this number42
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 | 13 | ▼ 60.6% |
| February | 38 | 19 | ▼ 50.0% |
| March | 48 | 52 | ▲ 8.3% |
| April | 43 | 35 | ▼ 18.6% |
| May | 45 | 31 | ▼ 31.1% |
| June | 31 | 53 | ▲ 71.0% |
| July | 30 | 57 | ▲ 90.0% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 56 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 268 | 260 | ▼ 3.0% |
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 | 93.9% | 91.7% | ▼ 2.4% |
| February | 84.2% | 73.7% | ▼ 12.5% |
| March | 74.5% | 92.2% | ▲ 23.8% |
| April | 83.7% | 85.7% | ▲ 2.4% |
| May | 95.6% | 100.0% | ▲ 4.6% |
| June | 45.2% | 69.8% | ▲ 54.6% |
| July | 36.7% | 77.8% | ▲ 112.1% |
| August | 79.3% | – | – |
| September | 80.0% | – | – |
| October | 82.1% | – | in progress |
| November | 82.8% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 73.4% | 84.4% | ▲ 15.0% |
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 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 5 | ▲ 400.0% |
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 98.8% 764
- Cancelled 1.2% 9
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BDL MCO Bradley International Airport – Orlando International Airport | 1,692 | 1.0 min | 98.3% | 59 |
| PHX OKC Phoenix Sky Harbor International Airport – OKC Will Rogers World Airport | 1,338 | 3.0 min | 94.8% | 58 |
| MDW CLE Chicago Midway International Airport – Cleveland Hopkins International Airport | 493 | 13.3 min | 82.1% | 57 |
| PHX SAT Phoenix Sky Harbor International Airport – San Antonio International Airport | 1,354 | 33.1 min | 29.4% | 51 |
| CLT BWI Charlotte Douglas International Airport – Baltimore/Washington International Thurgood Marshall Airport | 581 | 15.1 min | 65.3% | 49 |
| PHX HOU Phoenix Sky Harbor International Airport – William P. Hobby Airport | 1,638 | 2.6 min | 86.4% | 46 |
| ORF BWI Norfolk International Airport – Baltimore/Washington International Thurgood Marshall Airport | 257 | 15.6 min | 66.7% | 33 |
| BNA CLT Nashville International Airport – Charlotte Douglas International Airport | 528 | 2.2 min | 90.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 19 | 19 | 84.2% | 0 |
| December 2024 | 29 | 29 | 82.8% | 0 |
| January 2025 | 33 | 33 | 93.9% | 0 |
| February 2025 | 38 | 38 | 84.2% | 0 |
| March 2025 | 48 | 47 | 74.5% | 1 |
| April 2025 | 43 | 43 | 83.7% | 0 |
| May 2025 | 45 | 45 | 95.6% | 0 |
| June 2025 | 31 | 31 | 45.2% | 0 |
| July 2025 | 30 | 30 | 36.7% | 0 |
| August 2025 | 30 | 29 | 79.3% | 1 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 56 | 56 | 82.1% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 31 | 30 | 76.7% | 1 |
| January 2026 | 13 | 12 | 91.7% | 1 |
| February 2026 | 19 | 19 | 73.7% | 0 |
| March 2026 | 52 | 51 | 92.2% | 1 |
| April 2026 | 35 | 35 | 85.7% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 53 | 53 | 69.8% | 0 |
| July 2026 | 57 | 54 | 77.8% | 3 |