WN2540
WN2540 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Baltimore to Atlanta. Of 610 departures recorded from October 2024 to July 2026, 76.9% left on time, according to the US BTS.
- On-time departures76.9%of 610 flights
- Average delay11.6 min
- July 202627
- Cancelled0.8%
- Legs flown under this number28
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 35 | ▲ 12.9% |
| February | 28 | 26 | ▼ 7.1% |
| March | 31 | 24 | ▼ 22.6% |
| April | 30 | 32 | ▲ 6.7% |
| May | 32 | 37 | ▲ 15.6% |
| June | 4 | 34 | ▲ 750.0% |
| July | – | 27 | – |
| August | 31 | – | – |
| September | 33 | – | – |
| October | 25 | – | in progress |
| November | 40 | – | – |
| December | 30 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 93.1% | 77.1% | ▼ 17.1% |
| February | 85.7% | 100.0% | ▲ 16.7% |
| March | 93.3% | 60.9% | ▼ 34.8% |
| April | 86.7% | 50.0% | ▼ 42.3% |
| May | 87.5% | 56.8% | ▼ 35.1% |
| June | 75.0% | 38.2% | ▼ 49.0% |
| July | – | 44.4% | – |
| August | 87.1% | – | – |
| September | 93.9% | – | – |
| October | 68.0% | – | in progress |
| November | 82.1% | – | – |
| December | 66.7% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 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 99.2% 605
- Cancelled 0.8% 5
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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI ATL Baltimore/Washington International Thurgood Marshall Airport – Hartsfield Jackson Atlanta International Airport | 928 | 2.3 min | 92.1% | 117 |
| DEN MKE Denver International Airport – General Mitchell International Airport | 1,438 | 5.1 min | 89.5% | 57 |
| BNA BDL Nashville International Airport – Bradley International Airport | 1,368 | 14.0 min | 86.0% | 57 |
| MDW SLC Chicago Midway International Airport – Salt Lake City International Airport | 2,021 | -0.3 min | 93.6% | 47 |
| MCI DAL Kansas City International Airport – Dallas Love Field | 743 | 34.2 min | 41.5% | 41 |
| BUR SMF Hollywood Burbank/Bob Hope Airport – Sacramento International Airport | 577 | 3.0 min | 91.9% | 37 |
| SMF HOU Sacramento International Airport – William P. Hobby Airport | 2,610 | 22.4 min | 58.8% | 35 |
| FLL BNA Fort Lauderdale Hollywood International Airport – Nashville International Airport | 1,278 | 4.7 min | 93.9% | 33 |
| LAS AUS Harry Reid International Airport – Austin Bergstrom International Airport | 1,752 | 27.6 min | 34.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 31 | 29 | 93.1% | 2 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 30 | 93.3% | 1 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 32 | 32 | 87.5% | 0 |
| June 2025 | 4 | 4 | 75.0% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 33 | 33 | 93.9% | 0 |
| October 2025 | 25 | 25 | 68.0% | 0 |
| November 2025 | 40 | 39 | 82.1% | 1 |
| December 2025 | 30 | 30 | 66.7% | 0 |
| January 2026 | 35 | 35 | 77.1% | 0 |
| February 2026 | 26 | 26 | 100.0% | 0 |
| March 2026 | 24 | 23 | 60.9% | 1 |
| April 2026 | 32 | 32 | 50.0% | 0 |
| May 2026 | 37 | 37 | 56.8% | 0 |
| June 2026 | 34 | 34 | 38.2% | 0 |
| July 2026 | 27 | 27 | 44.4% | 0 |