WN1570
WN1570 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Dallas to Salt Lake City. Of 670 departures recorded from October 2024 to July 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 670 flights
- Average delay8.9 min
- July 202616▼ 48.4%vs July 2025
- Cancelled0.6%
- Legs flown under this number29
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 | 39 | 43 | ▲ 10.3% |
| February | 35 | 33 | ▼ 5.7% |
| March | 28 | 45 | ▲ 60.7% |
| April | 23 | 36 | ▲ 56.5% |
| May | 21 | 35 | ▲ 66.7% |
| June | 29 | 18 | ▼ 37.9% |
| July | 31 | 16 | ▼ 48.4% |
| August | 42 | – | – |
| September | 43 | – | – |
| October | 26 | – | in progress |
| November | 19 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 206 | 226 | ▲ 9.7% |
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 | 76.3% | 83.7% | ▲ 9.7% |
| February | 85.7% | 78.1% | ▼ 8.8% |
| March | 78.6% | 75.6% | ▼ 3.8% |
| April | 91.3% | 88.9% | ▼ 2.6% |
| May | 85.7% | 97.1% | ▲ 13.2% |
| June | 58.6% | 77.8% | ▲ 32.7% |
| July | 67.7% | 75.0% | ▲ 10.7% |
| August | 85.7% | – | – |
| September | 95.4% | – | – |
| October | 84.0% | – | in progress |
| November | 100.0% | – | – |
| December | 82.4% | – | – |
| Year-to-date average (Jan–Jul) | 77.7% | 82.3% | ▲ 5.9% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.4% 666
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| DAL SLC Dallas Love Field – Salt Lake City International Airport | 1,607 | 6.1 min | 87.2% | 110 |
| DAL MCI Dallas Love Field – Kansas City International Airport | 743 | 1.9 min | 88.9% | 73 |
| MDW PVD Chicago Midway International Airport – Rhode Island T. F. Green International Airport | 1,352 | 5.9 min | 91.2% | 57 |
| SEA PHX Seattle–Tacoma International Airport – Phoenix Sky Harbor International Airport | 1,782 | 9.9 min | 73.8% | 42 |
| ONT AUS Ontario International Airport – Austin Bergstrom International Airport | 1,923 | 7.3 min | 87.8% | 41 |
| SAT SAN San Antonio International Airport – San Diego International Airport | 1,814 | 7.5 min | 89.7% | 39 |
| PHX ABQ Phoenix Sky Harbor International Airport – Albuquerque International Sunport | 527 | 22.5 min | 55.9% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 100.0% | 0 |
| November 2024 | 33 | 33 | 90.9% | 0 |
| December 2024 | 41 | 41 | 80.5% | 0 |
| January 2025 | 39 | 38 | 76.3% | 1 |
| February 2025 | 35 | 35 | 85.7% | 0 |
| March 2025 | 28 | 28 | 78.6% | 0 |
| April 2025 | 23 | 23 | 91.3% | 0 |
| May 2025 | 21 | 21 | 85.7% | 0 |
| June 2025 | 29 | 29 | 58.6% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 42 | 42 | 85.7% | 0 |
| September 2025 | 43 | 43 | 95.4% | 0 |
| October 2025 | 26 | 25 | 84.0% | 1 |
| November 2025 | 19 | 19 | 100.0% | 0 |
| December 2025 | 17 | 17 | 82.4% | 0 |
| January 2026 | 43 | 43 | 83.7% | 0 |
| February 2026 | 33 | 32 | 78.1% | 1 |
| March 2026 | 45 | 45 | 75.6% | 0 |
| April 2026 | 36 | 36 | 88.9% | 0 |
| May 2026 | 35 | 34 | 97.1% | 1 |
| June 2026 | 18 | 18 | 77.8% | 0 |
| July 2026 | 16 | 16 | 75.0% | 0 |