WN1036
WN1036 (Southwest Airlines) is a multi-stop service on 44 routes, busiest Ontario to Nashville. Of 874 departures recorded from October 2024 to July 2026, 75.5% left on time, according to the US BTS.
- On-time departures75.5%of 874 flights
- Average delay12.5 min
- July 202614▼ 83.7%vs July 2025
- Cancelled1.4%
- Legs flown under this number44
according to the US BTS · Oct 12, 2024 → Jul 29, 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 | 31 | 48 | ▲ 54.8% |
| February | 28 | 40 | ▲ 42.9% |
| March | 23 | 57 | ▲ 147.8% |
| April | 20 | 36 | ▲ 80.0% |
| May | 21 | 31 | ▲ 47.6% |
| June | 79 | 15 | ▼ 81.0% |
| July | 86 | 14 | ▼ 83.7% |
| August | 84 | – | – |
| September | 86 | – | – |
| October | 29 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 288 | 241 | ▼ 16.3% |
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 | 86.7% | 88.9% | ▲ 2.6% |
| February | 71.4% | 87.2% | ▲ 22.0% |
| March | 81.8% | 82.5% | ▲ 0.8% |
| April | 70.0% | 66.7% | ▼ 4.8% |
| May | 66.7% | 74.2% | ▲ 11.3% |
| June | 64.1% | 86.7% | ▲ 35.2% |
| July | 63.9% | 92.9% | ▲ 45.4% |
| August | 77.4% | – | – |
| September | 84.7% | – | – |
| October | 62.1% | – | in progress |
| November | 63.3% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 72.1% | 82.7% | ▲ 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 | 1 | 3 | ▲ 200.0% |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 4 | ▼ 33.3% |
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% 862
- Cancelled 1.4% 12
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ONT BNA Ontario International Airport – Nashville International Airport | 2,811 | 19.6 min | 72.4% | 58 |
| BWI SDF Baltimore/Washington International Thurgood Marshall Airport – Louisville Muhammad Ali International Airport | 795 | 2.8 min | 89.1% | 58 |
| SAT DAL San Antonio International Airport – Dallas Love Field | 399 | 8.5 min | 89.3% | 57 |
| SNA SMF John Wayne Orange County International Airport – Sacramento International Airport | 650 | 12.3 min | 74.1% | 55 |
| LAS MDW Harry Reid International Airport – Chicago Midway International Airport | 2,442 | 8.9 min | 78.0% | 50 |
| LBB DAL Lubbock Preston Smith International Airport – Dallas Love Field | 472 | 24.3 min | 70.0% | 42 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 25.6 min | 38.9% | 36 |
| PHX SAT Phoenix Sky Harbor International Airport – San Antonio International Airport | 1,354 | 1.7 min | 90.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 52.4% | 0 |
| November 2024 | 31 | 31 | 93.6% | 0 |
| December 2024 | 33 | 32 | 90.6% | 1 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 23 | 22 | 81.8% | 1 |
| April 2025 | 20 | 20 | 70.0% | 0 |
| May 2025 | 21 | 21 | 66.7% | 0 |
| June 2025 | 79 | 78 | 64.1% | 1 |
| July 2025 | 86 | 83 | 63.9% | 3 |
| August 2025 | 84 | 84 | 77.4% | 0 |
| September 2025 | 86 | 85 | 84.7% | 1 |
| October 2025 | 29 | 29 | 62.1% | 0 |
| November 2025 | 30 | 30 | 63.3% | 0 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 48 | 45 | 88.9% | 3 |
| February 2026 | 40 | 39 | 87.2% | 1 |
| March 2026 | 57 | 57 | 82.5% | 0 |
| April 2026 | 36 | 36 | 66.7% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 15 | 15 | 86.7% | 0 |
| July 2026 | 14 | 14 | 92.9% | 0 |