WN937
WN937 (Southwest Airlines) is a multi-stop service on 32 routes, busiest El Paso to Dallas. Of 725 departures recorded from October 2024 to July 2026, 66.6% left on time, according to the US BTS.
- On-time departures66.6%of 725 flights
- Average delay18.3 min
- July 202669▲ 53.3%vs July 2025
- Cancelled1.2%
- Legs flown under this number32
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 | 36 | 25 | ▼ 30.6% |
| February | 35 | 27 | ▼ 22.9% |
| March | 28 | 31 | ▲ 10.7% |
| April | 29 | 24 | ▼ 17.2% |
| May | 32 | 22 | ▼ 31.3% |
| June | 40 | 59 | ▲ 47.5% |
| July | 45 | 69 | ▲ 53.3% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 52 | – | in progress |
| November | 19 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 245 | 257 | ▲ 4.9% |
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 | 93.9% | 84.0% | ▼ 10.6% |
| February | 91.4% | 63.0% | ▼ 31.1% |
| March | 67.9% | 64.5% | ▼ 4.9% |
| April | 72.4% | 69.6% | ▼ 3.9% |
| May | 59.4% | 40.9% | ▼ 31.1% |
| June | 35.0% | 64.4% | ▲ 84.0% |
| July | 32.6% | 83.8% | ▲ 157.4% |
| August | 37.9% | – | – |
| September | 50.0% | – | – |
| October | 48.1% | – | in progress |
| November | 94.7% | – | – |
| December | 46.7% | – | – |
| Year-to-date average (Jan–Jul) | 64.7% | 67.2% | ▲ 3.9% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 1 | ▼ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 2 | ▼ 60.0% |
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% 716
- Cancelled 1.2% 9
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 |
|---|---|---|---|---|
| ELP DAL El Paso International Airport – Dallas Love Field | 902 | -2.4 min | 97.3% | 115 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 18.4 min | 65.5% | 58 |
| BNA BOS Nashville International Airport – Boston Logan International Airport | 1,514 | 26.4 min | 45.6% | 58 |
| TPA MDW Tampa International Airport – Chicago Midway International Airport | 1,607 | 16.1 min | 75.0% | 52 |
| CLE BWI Cleveland Hopkins International Airport – Baltimore/Washington International Thurgood Marshall Airport | 505 | 3.6 min | 90.5% | 42 |
| MDW BOS Chicago Midway International Airport – Boston Logan International Airport | 1,381 | 46.6 min | 27.5% | 41 |
| BWI DEN Baltimore/Washington International Thurgood Marshall Airport – Denver International Airport | 2,394 | 22.8 min | 50.0% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 28 | 28 | 100.0% | 0 |
| December 2024 | 29 | 28 | 92.9% | 1 |
| January 2025 | 36 | 33 | 93.9% | 3 |
| February 2025 | 35 | 35 | 91.4% | 0 |
| March 2025 | 28 | 28 | 67.9% | 0 |
| April 2025 | 29 | 29 | 72.4% | 0 |
| May 2025 | 32 | 32 | 59.4% | 0 |
| June 2025 | 40 | 40 | 35.0% | 0 |
| July 2025 | 45 | 43 | 32.6% | 2 |
| August 2025 | 30 | 29 | 37.9% | 1 |
| September 2025 | 30 | 30 | 50.0% | 0 |
| October 2025 | 52 | 52 | 48.1% | 0 |
| November 2025 | 19 | 19 | 94.7% | 0 |
| December 2025 | 15 | 15 | 46.7% | 0 |
| January 2026 | 25 | 25 | 84.0% | 0 |
| February 2026 | 27 | 27 | 63.0% | 0 |
| March 2026 | 31 | 31 | 64.5% | 0 |
| April 2026 | 24 | 23 | 69.6% | 1 |
| May 2026 | 22 | 22 | 40.9% | 0 |
| June 2026 | 59 | 59 | 64.4% | 0 |
| July 2026 | 69 | 68 | 83.8% | 1 |