WN2815
WN2815 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Chicago to Denver. Of 690 departures recorded from October 2024 to July 2026, 73.3% left on time, according to the US BTS.
- On-time departures73.3%of 690 flights
- Average delay14.1 min
- July 202626▼ 48.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number34
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 | 63 | 29 | ▼ 54.0% |
| February | 46 | 18 | ▼ 60.9% |
| March | 29 | 23 | ▼ 20.7% |
| April | 28 | 24 | ▼ 14.3% |
| May | 31 | 22 | ▼ 29.0% |
| June | 50 | 27 | ▼ 46.0% |
| July | 50 | 26 | ▼ 48.0% |
| August | 35 | – | – |
| September | 30 | – | – |
| October | 57 | – | in progress |
| November | 16 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 297 | 169 | ▼ 43.1% |
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 | 77.1% | 55.2% | ▼ 28.4% |
| February | 80.4% | 55.6% | ▼ 30.9% |
| March | 69.0% | 43.5% | ▼ 37.0% |
| April | 89.3% | 65.2% | ▼ 27.0% |
| May | 67.7% | 54.6% | ▼ 19.5% |
| June | 74.0% | 74.1% | ▲ 0.1% |
| July | 46.9% | 100.0% | ▲ 113.0% |
| August | 60.0% | – | – |
| September | 83.3% | – | – |
| October | 93.0% | – | in progress |
| November | 93.8% | – | – |
| December | 84.0% | – | – |
| Year-to-date average (Jan–Jul) | 72.1% | 64.0% | ▼ 11.2% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 99.4% 686
- Cancelled 0.6% 4
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW DEN Chicago Midway International Airport – Denver International Airport | 1,438 | 11.3 min | 75.9% | 58 |
| LGB OAK Long Beach International Airport – Oakland San Francisco Bay Airport | 569 | 4.8 min | 79.3% | 58 |
| BWI ALB Baltimore/Washington International Thurgood Marshall Airport – Albany International Airport | 464 | 21.2 min | 62.0% | 51 |
| SNA LAS John Wayne Orange County International Airport – Harry Reid International Airport | 365 | 3.3 min | 86.0% | 50 |
| FLL MSY Fort Lauderdale Hollywood International Airport – Louis Armstrong New Orleans International Airport | 1,083 | 18.6 min | 53.2% | 47 |
| MDW MCO Chicago Midway International Airport – Orlando International Airport | 1,595 | 5.5 min | 88.1% | 42 |
| SLC DAL Salt Lake City International Airport – Dallas Love Field | 1,607 | 28.5 min | 72.2% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 18 | 18 | 77.8% | 0 |
| December 2024 | 23 | 23 | 65.2% | 0 |
| January 2025 | 63 | 61 | 77.1% | 2 |
| February 2025 | 46 | 46 | 80.4% | 0 |
| March 2025 | 29 | 29 | 69.0% | 0 |
| April 2025 | 28 | 28 | 89.3% | 0 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 50 | 50 | 74.0% | 0 |
| July 2025 | 50 | 49 | 46.9% | 1 |
| August 2025 | 35 | 35 | 60.0% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 57 | 57 | 93.0% | 0 |
| November 2025 | 16 | 16 | 93.8% | 0 |
| December 2025 | 25 | 25 | 84.0% | 0 |
| January 2026 | 29 | 29 | 55.2% | 0 |
| February 2026 | 18 | 18 | 55.6% | 0 |
| March 2026 | 23 | 23 | 43.5% | 0 |
| April 2026 | 24 | 23 | 65.2% | 1 |
| May 2026 | 22 | 22 | 54.6% | 0 |
| June 2026 | 27 | 27 | 74.1% | 0 |
| July 2026 | 26 | 26 | 100.0% | 0 |