WN1997
WN1997 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Phoenix to Houston. Of 525 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 525 flights
- Average delay13.8 min
- July 202618▼ 48.6%vs July 2025
- Cancelled1.0%
- Legs flown under this number21
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 | 7 | 30 | ▲ 328.6% |
| February | 12 | 25 | ▲ 108.3% |
| March | 16 | 31 | ▲ 93.8% |
| April | 27 | 30 | ▲ 11.1% |
| May | 31 | 31 | 0.0% |
| June | 34 | 19 | ▼ 44.1% |
| July | 35 | 18 | ▼ 48.6% |
| August | 16 | – | – |
| September | 13 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 162 | 184 | ▲ 13.6% |
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 | 100.0% | 83.3% | ▼ 16.7% |
| February | 91.7% | 72.0% | ▼ 21.5% |
| March | 93.8% | 82.8% | ▼ 11.7% |
| April | 81.5% | 60.0% | ▼ 26.4% |
| May | 74.2% | 22.6% | ▼ 69.6% |
| June | 58.8% | 36.8% | ▼ 37.4% |
| July | 60.0% | 58.8% | ▼ 2.0% |
| August | 68.8% | – | – |
| September | 100.0% | – | – |
| October | 70.0% | – | in progress |
| November | 86.2% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.0% | 59.5% | ▼ 25.6% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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 99.0% 520
- Cancelled 1.0% 5
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 |
|---|---|---|---|---|
| PHX HOU Phoenix Sky Harbor International Airport – William P. Hobby Airport | 1,638 | 2.4 min | 90.9% | 67 |
| DEN PDX Denver International Airport – Portland International Airport | 1,592 | 28.0 min | 34.5% | 58 |
| BWI DJT Baltimore/Washington International Thurgood Marshall Airport – President Donald J. Trump International Airport | 1,425 | 14.2 min | 74.1% | 58 |
| IND LAS Indianapolis International Airport – Harry Reid International Airport | 2,553 | 8.4 min | 77.8% | 54 |
| MIA AUS Miami International Airport – Austin Bergstrom International Airport | 1,772 | 14.4 min | 68.6% | 51 |
| BWI TPA Baltimore/Washington International Thurgood Marshall Airport – Tampa International Airport | 1,358 | 32.9 min | 46.9% | 33 |
| TPA BNA Tampa International Airport – Nashville International Airport | 987 | 22.0 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 91.3% | 0 |
| November 2024 | 20 | 19 | 89.5% | 1 |
| December 2024 | 16 | 16 | 87.5% | 0 |
| January 2025 | 7 | 7 | 100.0% | 0 |
| February 2025 | 12 | 12 | 91.7% | 0 |
| March 2025 | 16 | 16 | 93.8% | 0 |
| April 2025 | 27 | 27 | 81.5% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 34 | 34 | 58.8% | 0 |
| July 2025 | 35 | 35 | 60.0% | 0 |
| August 2025 | 16 | 16 | 68.8% | 0 |
| September 2025 | 13 | 13 | 100.0% | 0 |
| October 2025 | 30 | 30 | 70.0% | 0 |
| November 2025 | 30 | 29 | 86.2% | 1 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 25 | 25 | 72.0% | 0 |
| March 2026 | 31 | 29 | 82.8% | 2 |
| April 2026 | 30 | 30 | 60.0% | 0 |
| May 2026 | 31 | 31 | 22.6% | 0 |
| June 2026 | 19 | 19 | 36.8% | 0 |
| July 2026 | 18 | 17 | 58.8% | 1 |