WN1651
WN1651 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Denver to Los Angeles. Of 628 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 628 flights
- Average delay9.7 min
- July 202639▲ 25.8%vs July 2025
- Cancelled0.8%
- Legs flown under this number24
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 | 30 | 27 | ▼ 10.0% |
| February | 44 | 31 | ▼ 29.5% |
| March | 33 | 31 | ▼ 6.1% |
| April | 30 | 33 | ▲ 10.0% |
| May | 31 | 35 | ▲ 12.9% |
| June | 30 | 37 | ▲ 23.3% |
| July | 31 | 39 | ▲ 25.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 19 | – | in progress |
| November | 13 | – | – |
| December | 14 | – | – |
| Year to date (Jan–Jul) | 229 | 233 | ▲ 1.7% |
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 | 90.0% | 84.6% | ▼ 6.0% |
| February | 68.2% | 86.7% | ▲ 27.1% |
| March | 97.0% | 35.5% | ▼ 63.4% |
| April | 76.7% | 69.7% | ▼ 9.1% |
| May | 77.4% | 74.3% | ▼ 4.0% |
| June | 100.0% | 75.0% | ▼ 25.0% |
| July | 96.8% | 68.4% | ▼ 29.3% |
| August | 93.3% | – | – |
| September | 90.0% | – | – |
| October | 52.6% | – | in progress |
| November | 76.9% | – | – |
| December | 78.6% | – | – |
| Year-to-date average (Jan–Jul) | 86.6% | 70.6% | ▼ 18.5% |
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 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 99.2% 623
- Cancelled 0.8% 5
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 |
|---|---|---|---|---|
| DEN LAX Denver International Airport – Los Angeles International Airport | 1,385 | 12.6 min | 68.8% | 128 |
| ECP BNA Northwest Florida Beaches International Airport – Nashville International Airport | 647 | -4.9 min | 98.4% | 61 |
| PHX SMF Phoenix Sky Harbor International Airport – Sacramento International Airport | 1,040 | 9.8 min | 75.9% | 58 |
| PDX SMF Portland International Airport – Sacramento International Airport | 771 | 8.1 min | 75.9% | 58 |
| BWI MHT Baltimore/Washington International Thurgood Marshall Airport – Manchester-Boston Regional Airport | 606 | 8.4 min | 87.5% | 58 |
| BWI BOS Baltimore/Washington International Thurgood Marshall Airport – Boston Logan International Airport | 594 | 3.5 min | 91.2% | 57 |
| SJC LAS Mineta San Jose International Airport – Harry Reid International Airport | 620 | -1.9 min | 97.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 18 | 100.0% | 1 |
| November 2024 | 14 | 14 | 78.6% | 0 |
| December 2024 | 27 | 27 | 77.8% | 0 |
| January 2025 | 30 | 30 | 90.0% | 0 |
| February 2025 | 44 | 44 | 68.2% | 0 |
| March 2025 | 33 | 33 | 97.0% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 30 | 30 | 100.0% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 30 | 30 | 93.3% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 19 | 19 | 52.6% | 0 |
| November 2025 | 13 | 13 | 76.9% | 0 |
| December 2025 | 14 | 14 | 78.6% | 0 |
| January 2026 | 27 | 26 | 84.6% | 1 |
| February 2026 | 31 | 30 | 86.7% | 1 |
| March 2026 | 31 | 31 | 35.5% | 0 |
| April 2026 | 33 | 33 | 69.7% | 0 |
| May 2026 | 35 | 35 | 74.3% | 0 |
| June 2026 | 37 | 36 | 75.0% | 1 |
| July 2026 | 39 | 38 | 68.4% | 1 |