WN2874
WN2874 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Denver to Chicago. Of 473 departures recorded from October 2024 to July 2026, 82.4% left on time, according to the US BTS.
- On-time departures82.4%of 473 flights
- Average delay8.5 min
- July 20264▼ 87.9%vs July 2025
- Cancelled0.4%
- Legs flown under this number28
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 | 20 | 22 | ▲ 10.0% |
| February | 17 | 19 | ▲ 11.8% |
| March | 33 | 7 | ▼ 78.8% |
| April | 31 | 31 | 0.0% |
| May | 31 | 38 | ▲ 22.6% |
| June | 28 | 7 | ▼ 75.0% |
| July | 33 | 4 | ▼ 87.9% |
| August | 12 | – | – |
| September | 9 | – | – |
| October | 5 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 193 | 128 | ▼ 33.7% |
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 | 100.0% | 100.0% | 0.0% |
| February | 88.2% | 73.7% | ▼ 16.5% |
| March | 84.4% | 100.0% | ▲ 18.5% |
| April | 80.7% | 74.2% | ▼ 8.0% |
| May | 80.7% | 79.0% | ▼ 2.1% |
| June | 75.0% | 85.7% | ▲ 14.3% |
| July | 72.7% | 25.0% | ▼ 65.6% |
| August | 83.3% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 78.6% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 83.1% | 76.8% | ▼ 7.6% |
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 | 1 | 1 | 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) | 1 | 1 | 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 99.6% 471
- Cancelled 0.4% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 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 |
|---|---|---|---|---|
| DEN MDW Denver International Airport – Chicago Midway International Airport | 1,438 | 7.5 min | 82.8% | 58 |
| MCO ISP Orlando International Airport – Long Island MacArthur Airport | 1,565 | 8.9 min | 80.7% | 57 |
| PHX ORD Phoenix Sky Harbor International Airport – Chicago O'Hare International Airport | 2,313 | 11.7 min | 80.4% | 46 |
| MSY HOU Louis Armstrong New Orleans International Airport – William P. Hobby Airport | 485 | 2.6 min | 87.2% | 39 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 79.4% | 0 |
| November 2024 | 19 | 19 | 100.0% | 0 |
| December 2024 | 14 | 14 | 92.9% | 0 |
| January 2025 | 20 | 20 | 100.0% | 0 |
| February 2025 | 17 | 17 | 88.2% | 0 |
| March 2025 | 33 | 32 | 84.4% | 1 |
| April 2025 | 31 | 31 | 80.7% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 28 | 28 | 75.0% | 0 |
| July 2025 | 33 | 33 | 72.7% | 0 |
| August 2025 | 12 | 12 | 83.3% | 0 |
| September 2025 | 9 | 9 | 100.0% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 28 | 28 | 78.6% | 0 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 22 | 22 | 100.0% | 0 |
| February 2026 | 19 | 19 | 73.7% | 0 |
| March 2026 | 7 | 6 | 100.0% | 1 |
| April 2026 | 31 | 31 | 74.2% | 0 |
| May 2026 | 38 | 38 | 79.0% | 0 |
| June 2026 | 7 | 7 | 85.7% | 0 |
| July 2026 | 4 | 4 | 25.0% | 0 |