WN2479
WN2479 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Denver to Boise. Of 539 departures recorded from October 2024 to July 2026, 71.2% left on time, according to the US BTS.
- On-time departures71.2%of 539 flights
- Average delay14.8 min
- July 202622▼ 29.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number28
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 29 | 0.0% |
| February | 24 | 27 | ▲ 12.5% |
| March | 47 | 16 | ▼ 66.0% |
| April | 34 | 28 | ▼ 17.6% |
| May | 31 | 31 | 0.0% |
| June | 30 | 23 | ▼ 23.3% |
| July | 31 | 22 | ▼ 29.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | 31 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 226 | 176 | ▼ 22.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.6% | 62.1% | ▼ 33.0% |
| February | 82.6% | 77.8% | ▼ 5.8% |
| March | 80.4% | 81.3% | ▲ 1.0% |
| April | 82.4% | 89.3% | ▲ 8.4% |
| May | 100.0% | 96.8% | ▼ 3.2% |
| June | 36.7% | 43.5% | ▲ 18.6% |
| July | 36.7% | 59.1% | ▲ 61.1% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 56.7% | – | – |
| December | 43.6% | – | – |
| Year-to-date average (Jan–Jul) | 73.0% | 72.8% | ▼ 0.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 0 | ▼ 100.0% |
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 98.7% 532
- Cancelled 1.3% 7
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN BOI Denver International Airport – Boise Air Terminal/Gowen Field | 1,042 | 42.1 min | 33.3% | 61 |
| SMF KOA Sacramento International Airport – Ellison Onizuka Kona International Airport at Keāhole | 3,917 | -1.0 min | 98.3% | 58 |
| IND MDW Indianapolis International Airport – Chicago Midway International Airport | 261 | 6.7 min | 91.4% | 58 |
| ABQ DAL Albuquerque International Sunport – Dallas Love Field | 933 | 3.2 min | 90.2% | 54 |
| MCI MKE Kansas City International Airport – General Mitchell International Airport | 700 | 15.9 min | 69.8% | 53 |
| LAS SJC Harry Reid International Airport – Mineta San Jose International Airport | 620 | 18.5 min | 55.6% | 46 |
| LGB DEN Long Beach International Airport – Denver International Airport | 1,373 | 33.0 min | 42.4% | 33 |
| BUR DEN Hollywood Burbank/Bob Hope Airport – Denver International Airport | 1,366 | 9.9 min | 75.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 27 | 27 | 92.6% | 0 |
| November 2024 | 24 | 24 | 66.7% | 0 |
| December 2024 | 10 | 10 | 90.0% | 0 |
| January 2025 | 29 | 27 | 92.6% | 2 |
| February 2025 | 24 | 23 | 82.6% | 1 |
| March 2025 | 47 | 46 | 80.4% | 1 |
| April 2025 | 34 | 34 | 82.4% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 30 | 30 | 36.7% | 0 |
| July 2025 | 31 | 30 | 36.7% | 1 |
| August 2025 | 4 | 4 | 50.0% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 31 | 30 | 56.7% | 1 |
| December 2025 | 40 | 39 | 43.6% | 1 |
| January 2026 | 29 | 29 | 62.1% | 0 |
| February 2026 | 27 | 27 | 77.8% | 0 |
| March 2026 | 16 | 16 | 81.3% | 0 |
| April 2026 | 28 | 28 | 89.3% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 23 | 23 | 43.5% | 0 |
| July 2026 | 22 | 22 | 59.1% | 0 |