WN3507
WN3507 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Hayden to Denver. Of 451 departures recorded from October 2024 to July 2026, 74.8% left on time, according to the US BTS.
- On-time departures74.8%of 451 flights
- Average delay14.9 min
- July 202636▲ 140.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 5 | ▼ 83.3% |
| February | 28 | – | – |
| March | 9 | 20 | ▲ 122.2% |
| April | 28 | 32 | ▲ 14.3% |
| May | 39 | 35 | ▼ 10.3% |
| June | 20 | 35 | ▲ 75.0% |
| July | 15 | 36 | ▲ 140.0% |
| August | 3 | – | – |
| September | – | – | – |
| October | 33 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 86.2% | 100.0% | ▲ 16.0% |
| February | 75.0% | – | – |
| March | 100.0% | 70.0% | ▼ 30.0% |
| April | 64.3% | 59.4% | ▼ 7.6% |
| May | 69.2% | 45.7% | ▼ 34.0% |
| June | 95.0% | 60.0% | ▼ 36.8% |
| July | 100.0% | 66.7% | ▼ 33.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 84.9% | – | in progress |
| November | 96.6% | – | – |
| December | 87.1% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.6% 449
- Cancelled 0.4% 2
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HDN DEN Yampa Valley Airport – Denver International Airport | 227 | 17.9 min | 81.2% | 70 |
| MCI BWI Kansas City International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,552 | -0.8 min | 92.2% | 64 |
| MSY MCO Louis Armstrong New Orleans International Airport – Orlando International Airport | 886 | 29.5 min | 49.1% | 57 |
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 8.8 min | 71.4% | 42 |
| LAX OAK Los Angeles International Airport – Oakland San Francisco Bay Airport | 543 | -3.7 min | 97.0% | 34 |
| SAN AUS San Diego International Airport – Austin Bergstrom International Airport | 1,871 | 34.2 min | 58.1% | 31 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 29.7 min | 71.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 100.0% | 0 |
| November 2024 | 5 | 5 | 80.0% | 0 |
| December 2024 | 14 | 14 | 71.4% | 0 |
| January 2025 | 30 | 29 | 86.2% | 1 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 9 | 9 | 100.0% | 0 |
| April 2025 | 28 | 28 | 64.3% | 0 |
| May 2025 | 39 | 39 | 69.2% | 0 |
| June 2025 | 20 | 20 | 95.0% | 0 |
| July 2025 | 15 | 14 | 100.0% | 1 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| October 2025 | 33 | 33 | 84.9% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 5 | 5 | 100.0% | 0 |
| March 2026 | 20 | 20 | 70.0% | 0 |
| April 2026 | 32 | 32 | 59.4% | 0 |
| May 2026 | 35 | 35 | 45.7% | 0 |
| June 2026 | 35 | 35 | 60.0% | 0 |
| July 2026 | 36 | 36 | 66.7% | 0 |