WN3473
WN3473 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Chicago to Phoenix. Of 456 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 456 flights
- Average delay10.0 min
- July 202617▼ 10.5%vs July 2025
- Cancelled0.4%
- Legs flown under this number23
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 | 31 | 5 | ▼ 83.9% |
| February | 28 | – | – |
| March | 62 | 7 | ▼ 88.7% |
| April | 15 | 33 | ▲ 120.0% |
| May | – | 38 | – |
| June | 14 | 21 | ▲ 50.0% |
| July | 19 | 17 | ▼ 10.5% |
| August | 10 | – | – |
| September | 8 | – | – |
| October | 18 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
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 | 80.7% | 40.0% | ▼ 50.4% |
| February | 74.1% | – | – |
| March | 62.9% | 100.0% | ▲ 59.0% |
| April | 86.7% | 90.9% | ▲ 4.9% |
| May | – | 97.4% | – |
| June | 78.6% | 61.9% | ▼ 21.2% |
| July | 79.0% | 29.4% | ▼ 62.7% |
| August | 100.0% | – | – |
| September | 75.0% | – | – |
| October | 88.9% | – | in progress |
| November | 84.6% | – | – |
| December | 82.1% | – | – |
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 | 1 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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 99.6% 454
- Cancelled 0.4% 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 |
|---|---|---|---|---|
| MDW PHX Chicago Midway International Airport – Phoenix Sky Harbor International Airport | 2,319 | 9.8 min | 81.7% | 83 |
| MSY AUS Louis Armstrong New Orleans International Airport – Austin Bergstrom International Airport | 712 | 4.9 min | 94.7% | 57 |
| BOI PHX Boise Air Terminal/Gowen Field – Phoenix Sky Harbor International Airport | 1,184 | 14.4 min | 79.4% | 34 |
| DEN MAF Denver International Airport – Midland International Air and Space Port | 908 | 30.9 min | 39.4% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 100.0% | 0 |
| November 2024 | 28 | 28 | 92.9% | 0 |
| December 2024 | 28 | 28 | 78.6% | 0 |
| January 2025 | 31 | 31 | 80.7% | 0 |
| February 2025 | 28 | 27 | 74.1% | 1 |
| March 2025 | 62 | 62 | 62.9% | 0 |
| April 2025 | 15 | 15 | 86.7% | 0 |
| June 2025 | 14 | 14 | 78.6% | 0 |
| July 2025 | 19 | 19 | 79.0% | 0 |
| August 2025 | 10 | 10 | 100.0% | 0 |
| September 2025 | 8 | 8 | 75.0% | 0 |
| October 2025 | 18 | 18 | 88.9% | 0 |
| November 2025 | 26 | 26 | 84.6% | 0 |
| December 2025 | 29 | 28 | 82.1% | 1 |
| January 2026 | 5 | 5 | 40.0% | 0 |
| March 2026 | 7 | 7 | 100.0% | 0 |
| April 2026 | 33 | 33 | 90.9% | 0 |
| May 2026 | 38 | 38 | 97.4% | 0 |
| June 2026 | 21 | 21 | 61.9% | 0 |
| July 2026 | 17 | 17 | 29.4% | 0 |