WN3109
WN3109 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Chicago to Phoenix. Of 709 departures recorded from October 2024 to July 2026, 78.4% left on time, according to the US BTS.
- On-time departures78.4%of 709 flights
- Average delay9.7 min
- July 202630▼ 3.2%vs July 2025
- Cancelled1.4%
- Legs flown under this number28
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 46 | 30 | ▼ 34.8% |
| February | 35 | 18 | ▼ 48.6% |
| March | 53 | 30 | ▼ 43.4% |
| April | 36 | 33 | ▼ 8.3% |
| May | 37 | 33 | ▼ 10.8% |
| June | 29 | 30 | ▲ 3.4% |
| July | 31 | 30 | ▼ 3.2% |
| August | 42 | – | – |
| September | 43 | – | – |
| October | 17 | – | in progress |
| November | 21 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 267 | 204 | ▼ 23.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 81.8% | 82.8% | ▲ 1.1% |
| February | 90.9% | 77.8% | ▼ 14.4% |
| March | 71.7% | 72.4% | ▲ 1.0% |
| April | 71.4% | 42.4% | ▼ 40.6% |
| May | 80.6% | 21.9% | ▼ 72.8% |
| June | 82.8% | 96.7% | ▲ 16.8% |
| July | 100.0% | 100.0% | 0.0% |
| August | 97.6% | – | – |
| September | 90.7% | – | – |
| October | 100.0% | – | in progress |
| November | 65.0% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 82.7% | 70.6% | ▼ 14.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 1 | ▼ 50.0% |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 1 | 0.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 3 | ▼ 50.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.6% 699
- Cancelled 1.4% 10
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW PHX Chicago Midway International Airport – Phoenix Sky Harbor International Airport | 2,319 | 10.7 min | 74.2% | 91 |
| MEM MCO Frederick W. Smith International Airport – Orlando International Airport | 1,100 | 10.1 min | 93.4% | 61 |
| KOA SMF Ellison Onizuka Kona International Airport at Keāhole – Sacramento International Airport | 3,917 | 0.4 min | 96.6% | 58 |
| OKC DAL OKC Will Rogers World Airport – Dallas Love Field | 292 | -1.5 min | 100.0% | 57 |
| MCO DAL Orlando International Airport – Dallas Love Field | 1,564 | 31.6 min | 28.6% | 57 |
| TPA PIT Tampa International Airport – Pittsburgh International Airport | 1,408 | 2.8 min | 85.4% | 42 |
| OAK BUR Oakland San Francisco Bay Airport – Hollywood Burbank/Bob Hope Airport | 523 | 8.5 min | 79.0% | 40 |
| MDW FLL Chicago Midway International Airport – Fort Lauderdale Hollywood International Airport | 1,881 | 12.7 min | 71.9% | 33 |
| DAL PHX Dallas Love Field – Phoenix Sky Harbor International Airport | 1,412 | 19.0 min | 69.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 76.9% | 0 |
| November 2024 | 39 | 39 | 79.5% | 0 |
| December 2024 | 32 | 32 | 71.9% | 0 |
| January 2025 | 46 | 44 | 81.8% | 2 |
| February 2025 | 35 | 33 | 90.9% | 2 |
| March 2025 | 53 | 53 | 71.7% | 0 |
| April 2025 | 36 | 35 | 71.4% | 1 |
| May 2025 | 37 | 36 | 80.6% | 1 |
| June 2025 | 29 | 29 | 82.8% | 0 |
| July 2025 | 31 | 31 | 100.0% | 0 |
| August 2025 | 42 | 42 | 97.6% | 0 |
| September 2025 | 43 | 43 | 90.7% | 0 |
| October 2025 | 17 | 17 | 100.0% | 0 |
| November 2025 | 21 | 20 | 65.0% | 1 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 30 | 29 | 82.8% | 1 |
| February 2026 | 18 | 18 | 77.8% | 0 |
| March 2026 | 30 | 29 | 72.4% | 1 |
| April 2026 | 33 | 33 | 42.4% | 0 |
| May 2026 | 33 | 32 | 21.9% | 1 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 30 | 30 | 100.0% | 0 |