WN1899
WN1899 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Denver to Oakland. Of 689 departures recorded from October 2024 to July 2026, 74.0% left on time, according to the US BTS.
- On-time departures74.0%of 689 flights
- Average delay14.5 min
- July 202631▲ 121.4%vs July 2025
- Cancelled0.7%
- Legs flown under this number25
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 | 27 | 36 | ▲ 33.3% |
| February | 24 | 40 | ▲ 66.7% |
| March | 30 | 33 | ▲ 10.0% |
| April | 57 | 38 | ▼ 33.3% |
| May | 73 | 39 | ▼ 46.6% |
| June | 17 | 32 | ▲ 88.2% |
| July | 14 | 31 | ▲ 121.4% |
| August | 15 | – | – |
| September | 17 | – | – |
| October | 26 | – | in progress |
| November | 39 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 242 | 249 | ▲ 2.9% |
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 | 77.8% | 79.4% | ▲ 2.1% |
| February | 73.9% | 70.0% | ▼ 5.3% |
| March | 83.3% | 51.6% | ▼ 38.1% |
| April | 75.4% | 60.5% | ▼ 19.8% |
| May | 56.2% | 74.4% | ▲ 32.4% |
| June | 82.4% | 84.4% | ▲ 2.5% |
| July | 71.4% | 90.3% | ▲ 26.4% |
| August | 46.7% | – | – |
| September | 58.8% | – | – |
| October | 88.5% | – | in progress |
| November | 92.3% | – | – |
| December | 75.6% | – | – |
| Year-to-date average (Jan–Jul) | 74.3% | 72.9% | ▼ 1.9% |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 2 | – |
| 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 | 4 | ▲ 300.0% |
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 99.3% 684
- Cancelled 0.7% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 100.0% | 0 |
| November 2024 | 14 | 14 | 71.4% | 0 |
| December 2024 | 25 | 25 | 80.0% | 0 |
| January 2025 | 27 | 27 | 77.8% | 0 |
| February 2025 | 24 | 23 | 73.9% | 1 |
| March 2025 | 30 | 30 | 83.3% | 0 |
| April 2025 | 57 | 57 | 75.4% | 0 |
| May 2025 | 73 | 73 | 56.2% | 0 |
| June 2025 | 17 | 17 | 82.4% | 0 |
| July 2025 | 14 | 14 | 71.4% | 0 |
| August 2025 | 15 | 15 | 46.7% | 0 |
| September 2025 | 17 | 17 | 58.8% | 0 |
| October 2025 | 26 | 26 | 88.5% | 0 |
| November 2025 | 39 | 39 | 92.3% | 0 |
| December 2025 | 45 | 45 | 75.6% | 0 |
| January 2026 | 36 | 34 | 79.4% | 2 |
| February 2026 | 40 | 40 | 70.0% | 0 |
| March 2026 | 33 | 31 | 51.6% | 2 |
| April 2026 | 38 | 38 | 60.5% | 0 |
| May 2026 | 39 | 39 | 74.4% | 0 |
| June 2026 | 32 | 32 | 84.4% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |