WN2546
WN2546 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Chicago to Denver. Of 529 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 529 flights
- Average delay12.4 min
- July 202622▼ 26.7%vs July 2025
- Cancelled1.9%
- Legs flown under this number29
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 | 35 | 31 | ▼ 11.4% |
| February | 32 | 34 | ▲ 6.3% |
| March | 49 | 5 | ▼ 89.8% |
| April | 12 | 21 | ▲ 75.0% |
| May | 3 | 26 | ▲ 766.7% |
| June | 26 | 23 | ▼ 11.5% |
| July | 30 | 22 | ▼ 26.7% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 18 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 187 | 162 | ▼ 13.4% |
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 | 79.4% | 90.3% | ▲ 13.7% |
| February | 100.0% | 73.5% | ▼ 26.5% |
| March | 76.6% | 40.0% | ▼ 47.8% |
| April | 75.0% | 40.0% | ▼ 46.7% |
| May | 66.7% | 18.2% | ▼ 72.7% |
| June | 88.5% | 50.0% | ▼ 43.5% |
| July | 86.2% | 72.7% | ▼ 15.6% |
| August | 57.7% | – | – |
| September | 65.4% | – | – |
| October | 55.6% | – | in progress |
| November | 95.0% | – | – |
| December | 76.5% | – | – |
| Year-to-date average (Jan–Jul) | 81.8% | 55.0% | ▼ 32.8% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 4 | – |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 6 | ▲ 50.0% |
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 98.1% 519
- Cancelled 1.9% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD DEN Chicago O'Hare International Airport – Denver International Airport | 1,426 | -0.3 min | 96.0% | 100 |
| HNL OGG Daniel K. Inouye International Airport – Kahului International Airport | 162 | 6.0 min | 86.4% | 60 |
| BUR SFO Hollywood Burbank/Bob Hope Airport – San Francisco International Airport | 525 | 47.0 min | 26.7% | 50 |
| SJC MDW Mineta San Jose International Airport – Chicago Midway International Airport | 2,950 | 14.8 min | 57.1% | 42 |
| LAS SAN Harry Reid International Airport – San Diego International Airport | 417 | 8.6 min | 90.5% | 42 |
| DEN MSY Denver International Airport – Louis Armstrong New Orleans International Airport | 1,708 | 3.4 min | 87.5% | 40 |
| OAK RNO Oakland San Francisco Bay Airport – Reno Tahoe International Airport | 291 | 13.2 min | 65.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 24 | 24 | 100.0% | 0 |
| January 2025 | 35 | 34 | 79.4% | 1 |
| February 2025 | 32 | 32 | 100.0% | 0 |
| March 2025 | 49 | 47 | 76.6% | 2 |
| April 2025 | 12 | 12 | 75.0% | 0 |
| May 2025 | 3 | 3 | 66.7% | 0 |
| June 2025 | 26 | 26 | 88.5% | 0 |
| July 2025 | 30 | 29 | 86.2% | 1 |
| August 2025 | 26 | 26 | 57.7% | 0 |
| September 2025 | 26 | 26 | 65.4% | 0 |
| October 2025 | 18 | 18 | 55.6% | 0 |
| November 2025 | 20 | 20 | 95.0% | 0 |
| December 2025 | 17 | 17 | 76.5% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 34 | 34 | 73.5% | 0 |
| March 2026 | 5 | 5 | 40.0% | 0 |
| April 2026 | 21 | 20 | 40.0% | 1 |
| May 2026 | 26 | 22 | 18.2% | 4 |
| June 2026 | 23 | 22 | 50.0% | 1 |
| July 2026 | 22 | 22 | 72.7% | 0 |