WN1770
WN1770 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Phoenix to Denver. Of 607 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 607 flights
- Average delay9.6 min
- July 202619▼ 38.7%vs July 2025
- Cancelled1.2%
- Legs flown under this number25
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 | 33 | 14 | ▼ 57.6% |
| February | 28 | 19 | ▼ 32.1% |
| March | 63 | 29 | ▼ 54.0% |
| April | 38 | 22 | ▼ 42.1% |
| May | 30 | 23 | ▼ 23.3% |
| June | 30 | 17 | ▼ 43.3% |
| July | 31 | 19 | ▼ 38.7% |
| August | 22 | – | – |
| September | 21 | – | – |
| October | – | – | in progress |
| November | 38 | – | – |
| December | 34 | – | – |
| Year to date (Jan–Jul) | 253 | 143 | ▼ 43.5% |
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 | 78.8% | 85.7% | ▲ 8.8% |
| February | 89.3% | 94.7% | ▲ 6.1% |
| March | 76.2% | 100.0% | ▲ 31.3% |
| April | 89.2% | 81.8% | ▼ 8.3% |
| May | 93.3% | 65.2% | ▼ 30.1% |
| June | 85.2% | 50.0% | ▼ 41.3% |
| July | 76.7% | 73.7% | ▼ 3.9% |
| August | 40.9% | – | – |
| September | 57.1% | – | – |
| October | – | – | in progress |
| November | 94.6% | – | – |
| December | 76.5% | – | – |
| Year-to-date average (Jan–Jul) | 84.1% | 78.7% | ▼ 6.4% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 3 | 1 | ▼ 66.7% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 1 | ▼ 80.0% |
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 98.8% 600
- Cancelled 1.2% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 7.6 min | 81.6% | 98 |
| BUR SJC Hollywood Burbank/Bob Hope Airport – Mineta San Jose International Airport | 477 | 0.3 min | 94.7% | 57 |
| BWI MIA Baltimore/Washington International Thurgood Marshall Airport – Miami International Airport | 1,526 | 6.8 min | 88.5% | 53 |
| BUR OAK Hollywood Burbank/Bob Hope Airport – Oakland San Francisco Bay Airport | 523 | 6.6 min | 87.2% | 43 |
| PWM BWI Portland International Jetport – Baltimore/Washington International Thurgood Marshall Airport | 727 | -0.1 min | 100.0% | 33 |
| FLL BWI Fort Lauderdale Hollywood International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,493 | 23.9 min | 53.1% | 32 |
| GRR MDW Gerald R. Ford International Airport – Chicago Midway International Airport | 220 | 0.2 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 52 | 52 | 88.5% | 0 |
| January 2025 | 33 | 33 | 78.8% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 63 | 63 | 76.2% | 0 |
| April 2025 | 38 | 37 | 89.2% | 1 |
| May 2025 | 30 | 30 | 93.3% | 0 |
| June 2025 | 30 | 27 | 85.2% | 3 |
| July 2025 | 31 | 30 | 76.7% | 1 |
| August 2025 | 22 | 22 | 40.9% | 0 |
| September 2025 | 21 | 21 | 57.1% | 0 |
| November 2025 | 38 | 37 | 94.6% | 1 |
| December 2025 | 34 | 34 | 76.5% | 0 |
| January 2026 | 14 | 14 | 85.7% | 0 |
| February 2026 | 19 | 19 | 94.7% | 0 |
| March 2026 | 29 | 29 | 100.0% | 0 |
| April 2026 | 22 | 22 | 81.8% | 0 |
| May 2026 | 23 | 23 | 65.2% | 0 |
| June 2026 | 17 | 16 | 50.0% | 1 |
| July 2026 | 19 | 19 | 73.7% | 0 |