WN1446
WN1446 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Denver to Philadelphia. Of 627 departures recorded from October 2024 to July 2026, 77.0% left on time, according to the US BTS.
- On-time departures77.0%of 627 flights
- Average delay12.9 min
- July 20261▼ 96.8%vs July 2025
- Cancelled1.8%
- Legs flown under this number26
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 | 37 | 34 | ▼ 8.1% |
| February | 43 | 25 | ▼ 41.9% |
| March | 33 | 35 | ▲ 6.1% |
| April | 30 | 10 | ▼ 66.7% |
| May | 32 | 5 | ▼ 84.4% |
| June | 30 | – | – |
| July | 31 | 1 | ▼ 96.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 43 | – | in progress |
| November | 42 | – | – |
| December | 44 | – | – |
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 | 83.8% | 78.1% | ▼ 6.7% |
| February | 67.4% | 64.0% | ▼ 5.1% |
| March | 78.8% | 50.0% | ▼ 36.5% |
| April | 82.8% | 88.9% | ▲ 7.4% |
| May | 71.9% | 50.0% | ▼ 30.4% |
| June | 72.4% | – | – |
| July | 83.3% | 100.0% | ▲ 20.0% |
| August | 63.3% | – | – |
| September | 76.7% | – | – |
| October | 81.0% | – | in progress |
| November | 92.9% | – | – |
| December | 78.6% | – | – |
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 | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 1 | 1 | 0.0% |
| May | 0 | 1 | – |
| June | 1 | – | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
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 98.2% 616
- Cancelled 1.8% 11
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 4, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN PHL Denver International Airport – Philadelphia International Airport | 2,501 | 9.0 min | 83.5% | 109 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 19.0 min | 72.5% | 82 |
| BUF BNA Buffalo Niagara International Airport – Nashville International Airport | 1,018 | 8.5 min | 79.3% | 54 |
| BUR PHX Hollywood Burbank/Bob Hope Airport – Phoenix Sky Harbor International Airport | 593 | 7.5 min | 78.0% | 50 |
| BWI ATL Baltimore/Washington International Thurgood Marshall Airport – Hartsfield Jackson Atlanta International Airport | 928 | 13.5 min | 85.4% | 43 |
| PHL TPA Philadelphia International Airport – Tampa International Airport | 1,483 | 22.6 min | 65.0% | 40 |
| BWI BUF Baltimore/Washington International Thurgood Marshall Airport – Buffalo Niagara International Airport | 453 | 4.7 min | 91.2% | 35 |
| TPA SJU Tampa International Airport – Luis Munoz Marin International Airport | 1,991 | 17.9 min | 78.8% | 33 |
| DAL SRQ Dallas Love Field – Sarasota Bradenton International Airport | 1,501 | 17.4 min | 64.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 94.1% | 0 |
| November 2024 | 41 | 41 | 78.1% | 0 |
| December 2024 | 34 | 34 | 88.2% | 0 |
| January 2025 | 37 | 37 | 83.8% | 0 |
| February 2025 | 43 | 43 | 67.4% | 0 |
| March 2025 | 33 | 33 | 78.8% | 0 |
| April 2025 | 30 | 29 | 82.8% | 1 |
| May 2025 | 32 | 32 | 71.9% | 0 |
| June 2025 | 30 | 29 | 72.4% | 1 |
| July 2025 | 31 | 30 | 83.3% | 1 |
| August 2025 | 30 | 30 | 63.3% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 43 | 42 | 81.0% | 1 |
| November 2025 | 42 | 42 | 92.9% | 0 |
| December 2025 | 44 | 42 | 78.6% | 2 |
| January 2026 | 34 | 32 | 78.1% | 2 |
| February 2026 | 25 | 25 | 64.0% | 0 |
| March 2026 | 35 | 34 | 50.0% | 1 |
| April 2026 | 10 | 9 | 88.9% | 1 |
| May 2026 | 5 | 4 | 50.0% | 1 |
| July 2026 | 1 | 1 | 100.0% | 0 |