WN2543
WN2543 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Chicago to New York. Of 542 departures recorded from October 2024 to July 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 542 flights
- Average delay10.8 min
- July 202620▼ 58.3%vs July 2025
- Cancelled1.1%
- Legs flown under this number38
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 | 24 | 4 | ▼ 83.3% |
| February | 11 | 7 | ▼ 36.4% |
| March | 40 | 28 | ▼ 30.0% |
| April | 21 | 30 | ▲ 42.9% |
| May | 12 | 31 | ▲ 158.3% |
| June | 43 | 22 | ▼ 48.8% |
| July | 48 | 20 | ▼ 58.3% |
| August | 23 | – | – |
| September | 17 | – | – |
| October | 35 | – | in progress |
| November | 49 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 199 | 142 | ▼ 28.6% |
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 | 87.0% | 100.0% | ▲ 15.0% |
| February | 90.9% | 42.9% | ▼ 52.9% |
| March | 87.5% | 96.4% | ▲ 10.2% |
| April | 90.5% | 100.0% | ▲ 10.5% |
| May | 83.3% | 96.8% | ▲ 16.1% |
| June | 69.8% | 77.3% | ▲ 10.7% |
| July | 65.2% | 95.0% | ▲ 45.7% |
| August | 86.4% | – | – |
| September | 94.1% | – | – |
| October | 85.7% | – | in progress |
| November | 66.7% | – | – |
| December | 57.1% | – | – |
| Year-to-date average (Jan–Jul) | 82.0% | 86.9% | ▲ 5.9% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
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 98.9% 536
- Cancelled 1.1% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW LGA Chicago Midway International Airport – LaGuardia Airport | 1,164 | -1.2 min | 98.3% | 58 |
| TPA DAL Tampa International Airport – Dallas Love Field | 1,474 | 9.1 min | 88.1% | 42 |
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | -1.4 min | 97.0% | 33 |
| BNA ORF Nashville International Airport – Norfolk International Airport | 940 | 24.2 min | 59.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 70.6% | 0 |
| November 2024 | 18 | 18 | 88.9% | 0 |
| December 2024 | 14 | 13 | 69.2% | 1 |
| January 2025 | 24 | 23 | 87.0% | 1 |
| February 2025 | 11 | 11 | 90.9% | 0 |
| March 2025 | 40 | 40 | 87.5% | 0 |
| April 2025 | 21 | 21 | 90.5% | 0 |
| May 2025 | 12 | 12 | 83.3% | 0 |
| June 2025 | 43 | 43 | 69.8% | 0 |
| July 2025 | 48 | 46 | 65.2% | 2 |
| August 2025 | 23 | 22 | 86.4% | 1 |
| September 2025 | 17 | 17 | 94.1% | 0 |
| October 2025 | 35 | 35 | 85.7% | 0 |
| November 2025 | 49 | 48 | 66.7% | 1 |
| December 2025 | 28 | 28 | 57.1% | 0 |
| January 2026 | 4 | 4 | 100.0% | 0 |
| February 2026 | 7 | 7 | 42.9% | 0 |
| March 2026 | 28 | 28 | 96.4% | 0 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 22 | 22 | 77.3% | 0 |
| July 2026 | 20 | 20 | 95.0% | 0 |