WN1883
WN1883 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Denver to Tampa. Of 672 departures recorded from October 2024 to July 2026, 73.8% left on time, according to the US BTS.
- On-time departures73.8%of 672 flights
- Average delay17.2 min
- July 20264▼ 87.1%vs July 2025
- Cancelled0.5%
- Legs flown under this number30
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 | 50 | 36 | ▼ 28.0% |
| February | 37 | 33 | ▼ 10.8% |
| March | 27 | 32 | ▲ 18.5% |
| April | 25 | 33 | ▲ 32.0% |
| May | 26 | 35 | ▲ 34.6% |
| June | 30 | 7 | ▼ 76.7% |
| July | 31 | 4 | ▼ 87.1% |
| August | 34 | – | – |
| September | 34 | – | – |
| October | 27 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 226 | 180 | ▼ 20.4% |
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 | 88.0% | 94.1% | ▲ 7.0% |
| February | 83.8% | 78.8% | ▼ 6.0% |
| March | 66.7% | 71.9% | ▲ 7.8% |
| April | 52.0% | 78.8% | ▲ 51.5% |
| May | 23.1% | 64.7% | ▲ 180.4% |
| June | 73.3% | 100.0% | ▲ 36.4% |
| July | 71.0% | 75.0% | ▲ 5.7% |
| August | 73.5% | – | – |
| September | 94.1% | – | – |
| October | 66.7% | – | in progress |
| November | 70.0% | – | – |
| December | 54.8% | – | – |
| Year-to-date average (Jan–Jul) | 65.4% | 80.5% | ▲ 23.0% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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% 669
- Cancelled 0.4% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| DEN TPA Denver International Airport – Tampa International Airport | 2,423 | 23.3 min | 64.1% | 64 |
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 12.6 min | 71.0% | 62 |
| LAS PHX Harry Reid International Airport – Phoenix Sky Harbor International Airport | 411 | 16.1 min | 73.7% | 58 |
| BWI PWM Baltimore/Washington International Thurgood Marshall Airport – Portland International Jetport | 727 | 7.6 min | 86.0% | 57 |
| MCI MDW Kansas City International Airport – Chicago Midway International Airport | 650 | 16.9 min | 72.6% | 51 |
| DEN MSY Denver International Airport – Louis Armstrong New Orleans International Airport | 1,708 | 68.9 min | 32.0% | 50 |
| SAN AUS San Diego International Airport – Austin Bergstrom International Airport | 1,871 | 8.6 min | 91.3% | 47 |
| CLE PHX Cleveland Hopkins International Airport – Phoenix Sky Harbor International Airport | 2,790 | 8.9 min | 72.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 38 | 38 | 81.6% | 0 |
| December 2024 | 52 | 52 | 67.3% | 0 |
| January 2025 | 50 | 50 | 88.0% | 0 |
| February 2025 | 37 | 37 | 83.8% | 0 |
| March 2025 | 27 | 27 | 66.7% | 0 |
| April 2025 | 25 | 25 | 52.0% | 0 |
| May 2025 | 26 | 26 | 23.1% | 0 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 34 | 34 | 73.5% | 0 |
| September 2025 | 34 | 34 | 94.1% | 0 |
| October 2025 | 27 | 27 | 66.7% | 0 |
| November 2025 | 30 | 30 | 70.0% | 0 |
| December 2025 | 31 | 31 | 54.8% | 0 |
| January 2026 | 36 | 34 | 94.1% | 2 |
| February 2026 | 33 | 33 | 78.8% | 0 |
| March 2026 | 32 | 32 | 71.9% | 0 |
| April 2026 | 33 | 33 | 78.8% | 0 |
| May 2026 | 35 | 34 | 64.7% | 1 |
| June 2026 | 7 | 7 | 100.0% | 0 |
| July 2026 | 4 | 4 | 75.0% | 0 |