WN270
WN270 (Southwest Airlines) is a multi-stop service on 50 routes, busiest Baltimore to Detroit. Of 749 departures recorded from October 2024 to July 2026, 73.3% left on time, according to the US BTS.
- On-time departures73.3%of 749 flights
- Average delay17.8 min
- July 202661▲ 74.3%vs July 2025
- Cancelled0.4%
- Legs flown under this number50
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 | 28 | ▼ 22.2% |
| February | 35 | 28 | ▼ 20.0% |
| March | 32 | 34 | ▲ 6.3% |
| April | 27 | 31 | ▲ 14.8% |
| May | 26 | 31 | ▲ 19.2% |
| June | 34 | 62 | ▲ 82.4% |
| July | 35 | 61 | ▲ 74.3% |
| August | 40 | – | – |
| September | 39 | – | – |
| October | 32 | – | in progress |
| November | 27 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 225 | 275 | ▲ 22.2% |
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 | 75.0% | 74.1% | ▼ 1.2% |
| February | 74.3% | 67.9% | ▼ 8.7% |
| March | 87.1% | 91.2% | ▲ 4.7% |
| April | 81.5% | 96.8% | ▲ 18.8% |
| May | 73.1% | 100.0% | ▲ 36.8% |
| June | 47.1% | 72.6% | ▲ 54.2% |
| July | 47.1% | 67.2% | ▲ 42.8% |
| August | 70.0% | – | – |
| September | 89.7% | – | – |
| October | 37.5% | – | in progress |
| November | 70.4% | – | – |
| December | 59.3% | – | – |
| Year-to-date average (Jan–Jul) | 69.3% | 81.4% | ▲ 17.4% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.6% 746
- Cancelled 0.4% 3
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 |
|---|---|---|---|---|
| BWI DTW Baltimore/Washington International Thurgood Marshall Airport – Detroit Metropolitan Wayne County Airport | 657 | 12.5 min | 76.4% | 89 |
| DEN ABQ Denver International Airport – Albuquerque International Sunport | 563 | 46.4 min | 41.7% | 61 |
| IND BNA Indianapolis International Airport – Nashville International Airport | 401 | -2.2 min | 100.0% | 58 |
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | 8.1 min | 81.0% | 42 |
| MSY MDW Louis Armstrong New Orleans International Airport – Chicago Midway International Airport | 1,331 | 11.1 min | 90.5% | 42 |
| AUS CMH Austin Bergstrom International Airport – John Glenn Columbus International Airport | 1,726 | 14.2 min | 75.8% | 33 |
| DEN BUR Denver International Airport – Hollywood Burbank/Bob Hope Airport | 1,366 | 6.5 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 34 | 34 | 67.7% | 0 |
| January 2025 | 36 | 36 | 75.0% | 0 |
| February 2025 | 35 | 35 | 74.3% | 0 |
| March 2025 | 32 | 31 | 87.1% | 1 |
| April 2025 | 27 | 27 | 81.5% | 0 |
| May 2025 | 26 | 26 | 73.1% | 0 |
| June 2025 | 34 | 34 | 47.1% | 0 |
| July 2025 | 35 | 34 | 47.1% | 1 |
| August 2025 | 40 | 40 | 70.0% | 0 |
| September 2025 | 39 | 39 | 89.7% | 0 |
| October 2025 | 32 | 32 | 37.5% | 0 |
| November 2025 | 27 | 27 | 70.4% | 0 |
| December 2025 | 27 | 27 | 59.3% | 0 |
| January 2026 | 28 | 27 | 74.1% | 1 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 34 | 34 | 91.2% | 0 |
| April 2026 | 31 | 31 | 96.8% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 62 | 62 | 72.6% | 0 |
| July 2026 | 61 | 61 | 67.2% | 0 |