WN2321
WN2321 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Atlanta to Philadelphia. Of 710 departures recorded from October 2024 to July 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 710 flights
- Average delay11.7 min
- July 202613▼ 40.9%vs July 2025
- Cancelled0.7%
- Legs flown under this number36
according to the US BTS · Oct 12, 2024 → Jul 29, 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 | 27 | 50 | ▲ 85.2% |
| February | 26 | 37 | ▲ 42.3% |
| March | 54 | 75 | ▲ 38.9% |
| April | 34 | 44 | ▲ 29.4% |
| May | 27 | 34 | ▲ 25.9% |
| June | 21 | 16 | ▼ 23.8% |
| July | 22 | 13 | ▼ 40.9% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 53 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 211 | 269 | ▲ 27.5% |
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 | 92.3% | 85.4% | ▼ 7.5% |
| February | 80.8% | 73.0% | ▼ 9.7% |
| March | 68.5% | 66.7% | ▼ 2.7% |
| April | 61.8% | 70.5% | ▲ 14.1% |
| May | 63.0% | 55.9% | ▼ 11.2% |
| June | 81.0% | 68.8% | ▼ 15.1% |
| July | 77.3% | 100.0% | ▲ 29.4% |
| August | 72.4% | – | – |
| September | 83.3% | – | – |
| October | 56.7% | – | in progress |
| November | 96.2% | – | – |
| December | 97.3% | – | – |
| Year-to-date average (Jan–Jul) | 74.9% | 74.3% | ▼ 0.8% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.3% 705
- Cancelled 0.7% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL PHL Hartsfield Jackson Atlanta International Airport – Philadelphia International Airport | 1,072 | 9.6 min | 85.1% | 75 |
| HOU TPA William P. Hobby Airport – Tampa International Airport | 1,255 | 9.6 min | 77.2% | 57 |
| DEN LAX Denver International Airport – Los Angeles International Airport | 1,385 | 30.5 min | 60.0% | 50 |
| BWI MIA Baltimore/Washington International Thurgood Marshall Airport – Miami International Airport | 1,526 | 8.4 min | 80.0% | 47 |
| DEN MEM Denver International Airport – Frederick W. Smith International Airport | 1,401 | 16.0 min | 61.9% | 42 |
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | -1.1 min | 95.0% | 41 |
| SNA LAS John Wayne Orange County International Airport – Harry Reid International Airport | 365 | 12.1 min | 69.7% | 33 |
| LAS RNO Harry Reid International Airport – Reno Tahoe International Airport | 556 | 10.5 min | 66.7% | 33 |
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 32.4 min | 56.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 20 | 20 | 95.0% | 0 |
| December 2024 | 11 | 11 | 81.8% | 0 |
| January 2025 | 27 | 26 | 92.3% | 1 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 54 | 54 | 68.5% | 0 |
| April 2025 | 34 | 34 | 61.8% | 0 |
| May 2025 | 27 | 27 | 63.0% | 0 |
| June 2025 | 21 | 21 | 81.0% | 0 |
| July 2025 | 22 | 22 | 77.3% | 0 |
| August 2025 | 29 | 29 | 72.4% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 30 | 30 | 56.7% | 0 |
| November 2025 | 53 | 52 | 96.2% | 1 |
| December 2025 | 37 | 37 | 97.3% | 0 |
| January 2026 | 50 | 48 | 85.4% | 2 |
| February 2026 | 37 | 37 | 73.0% | 0 |
| March 2026 | 75 | 75 | 66.7% | 0 |
| April 2026 | 44 | 44 | 70.5% | 0 |
| May 2026 | 34 | 34 | 55.9% | 0 |
| June 2026 | 16 | 16 | 68.8% | 0 |
| July 2026 | 13 | 12 | 100.0% | 1 |