WN667
WN667 (Southwest Airlines) is a multi-stop service on 47 routes, busiest Baltimore to Las Vegas. Of 818 departures recorded from October 2024 to July 2026, 79.2% left on time, according to the US BTS.
- On-time departures79.2%of 818 flights
- Average delay10.7 min
- July 202639▲ 30.0%vs July 2025
- Cancelled2.0%
- Legs flown under this number47
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 52 | 50 | ▼ 3.8% |
| February | 41 | 49 | ▲ 19.5% |
| March | 34 | 67 | ▲ 97.1% |
| April | 28 | 38 | ▲ 35.7% |
| May | 28 | 31 | ▲ 10.7% |
| June | 30 | 38 | ▲ 26.7% |
| July | 30 | 39 | ▲ 30.0% |
| August | 16 | – | – |
| September | 13 | – | – |
| October | 52 | – | in progress |
| November | 48 | – | – |
| December | 59 | – | – |
| Year to date (Jan–Jul) | 243 | 312 | ▲ 28.4% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 86.7% | 90.0% | ▲ 3.8% |
| February | 95.0% | 93.9% | ▼ 1.2% |
| March | 84.4% | 87.7% | ▲ 3.9% |
| April | 89.3% | 92.1% | ▲ 3.2% |
| May | 67.9% | 77.4% | ▲ 14.1% |
| June | 31.0% | 81.6% | ▲ 162.9% |
| July | 34.5% | 87.2% | ▲ 152.8% |
| August | 62.5% | – | – |
| September | 76.9% | – | – |
| October | 62.8% | – | in progress |
| November | 85.4% | – | – |
| December | 74.6% | – | – |
| Year-to-date average (Jan–Jul) | 69.8% | 87.1% | ▲ 24.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 7 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 2 | 2 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 12 | 2 | ▼ 83.3% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.0% 802
- Cancelled 2.0% 16
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI LAS Baltimore/Washington International Thurgood Marshall Airport – Harry Reid International Airport | 3,381 | 8.4 min | 85.7% | 63 |
| BWI ATL Baltimore/Washington International Thurgood Marshall Airport – Hartsfield Jackson Atlanta International Airport | 928 | 62.2 min | 36.2% | 60 |
| MCO MSY Orlando International Airport – Louis Armstrong New Orleans International Airport | 886 | -2.2 min | 94.6% | 59 |
| BNA SAV Nashville International Airport – Savannah Hilton Head International Airport | 672 | 6.6 min | 84.0% | 50 |
| MDW AUS Chicago Midway International Airport – Austin Bergstrom International Airport | 1,565 | 1.5 min | 88.1% | 42 |
| MDW PIT Chicago Midway International Airport – Pittsburgh International Airport | 646 | -3.5 min | 97.2% | 36 |
| PIT ATL Pittsburgh International Airport – Hartsfield Jackson Atlanta International Airport | 848 | 0.6 min | 91.4% | 35 |
| BWI RDU Baltimore/Washington International Thurgood Marshall Airport – Raleigh-Durham International Airport | 411 | 9.0 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 73.3% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 30 | 29 | 75.9% | 1 |
| January 2025 | 52 | 45 | 86.7% | 7 |
| February 2025 | 41 | 40 | 95.0% | 1 |
| March 2025 | 34 | 32 | 84.4% | 2 |
| April 2025 | 28 | 28 | 89.3% | 0 |
| May 2025 | 28 | 28 | 67.9% | 0 |
| June 2025 | 30 | 29 | 31.0% | 1 |
| July 2025 | 30 | 29 | 34.5% | 1 |
| August 2025 | 16 | 16 | 62.5% | 0 |
| September 2025 | 13 | 13 | 76.9% | 0 |
| October 2025 | 52 | 51 | 62.8% | 1 |
| November 2025 | 48 | 48 | 85.4% | 0 |
| December 2025 | 59 | 59 | 74.6% | 0 |
| January 2026 | 50 | 50 | 90.0% | 0 |
| February 2026 | 49 | 49 | 93.9% | 0 |
| March 2026 | 67 | 65 | 87.7% | 2 |
| April 2026 | 38 | 38 | 92.1% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 38 | 38 | 81.6% | 0 |
| July 2026 | 39 | 39 | 87.2% | 0 |