WN3477
WN3477 (Southwest Airlines) is a multi-stop service on 31 routes, busiest San Diego to Phoenix. Of 523 departures recorded from October 2024 to July 2026, 63.2% left on time, according to the US BTS.
- On-time departures63.2%of 523 flights
- Average delay18.4 min
- July 202630▼ 21.1%vs July 2025
- Cancelled0.2%
- Legs flown under this number31
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 | 2 | 1 | ▼ 50.0% |
| February | 8 | 10 | ▲ 25.0% |
| March | 13 | 28 | ▲ 115.4% |
| April | 6 | 48 | ▲ 700.0% |
| May | 4 | 52 | ▲ 1,200.0% |
| June | 35 | 33 | ▼ 5.7% |
| July | 38 | 30 | ▼ 21.1% |
| August | 50 | – | – |
| September | 51 | – | – |
| October | 65 | – | in progress |
| November | 6 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 106 | 202 | ▲ 90.6% |
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 | 50.0% | 0.0% | ▼ 100.0% |
| February | 75.0% | 80.0% | ▲ 6.7% |
| March | 76.9% | 89.3% | ▲ 16.1% |
| April | 83.3% | 89.6% | ▲ 7.5% |
| May | 75.0% | 78.9% | ▲ 5.1% |
| June | 80.0% | 27.3% | ▼ 65.9% |
| July | 63.2% | 30.0% | ▼ 52.5% |
| August | 62.0% | – | – |
| September | 52.9% | – | – |
| October | 35.4% | – | in progress |
| November | 83.3% | – | – |
| December | 75.0% | – | – |
| Year-to-date average (Jan–Jul) | 71.9% | 56.4% | ▼ 21.5% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.8% 522
- Cancelled 0.2% 1
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | 3.3 min | 88.4% | 70 |
| SAN AUS San Diego International Airport – Austin Bergstrom International Airport | 1,871 | 38.7 min | 21.1% | 57 |
| PVD TPA Rhode Island T. F. Green International Airport – Tampa International Airport | 1,831 | 21.8 min | 61.4% | 44 |
| KOA HNL Ellison Onizuka Kona International Airport at Keāhole – Daniel K. Inouye International Airport | 263 | 4.9 min | 90.9% | 33 |
| DEN OKC Denver International Airport – OKC Will Rogers World Airport | 796 | 7.9 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 26 | 26 | 84.6% | 0 |
| November 2024 | 5 | 5 | 20.0% | 0 |
| December 2024 | 8 | 7 | 85.7% | 1 |
| January 2025 | 2 | 2 | 50.0% | 0 |
| February 2025 | 8 | 8 | 75.0% | 0 |
| March 2025 | 13 | 13 | 76.9% | 0 |
| April 2025 | 6 | 6 | 83.3% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 35 | 35 | 80.0% | 0 |
| July 2025 | 38 | 38 | 63.2% | 0 |
| August 2025 | 50 | 50 | 62.0% | 0 |
| September 2025 | 51 | 51 | 52.9% | 0 |
| October 2025 | 65 | 65 | 35.4% | 0 |
| November 2025 | 6 | 6 | 83.3% | 0 |
| December 2025 | 4 | 4 | 75.0% | 0 |
| January 2026 | 1 | 1 | 0.0% | 0 |
| February 2026 | 10 | 10 | 80.0% | 0 |
| March 2026 | 28 | 28 | 89.3% | 0 |
| April 2026 | 48 | 48 | 89.6% | 0 |
| May 2026 | 52 | 52 | 78.9% | 0 |
| June 2026 | 33 | 33 | 27.3% | 0 |
| July 2026 | 30 | 30 | 30.0% | 0 |