WN3648
WN3648 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Chicago to New York. Of 510 departures recorded from October 2024 to July 2026, 72.6% left on time, according to the US BTS.
- On-time departures72.6%of 510 flights
- Average delay16.3 min
- July 202618▼ 58.1%vs July 2025
- Cancelled0.4%
- Legs flown under this number21
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 | 7 | 3 | ▼ 57.1% |
| February | 12 | – | – |
| March | 6 | 27 | ▲ 350.0% |
| April | 64 | 30 | ▼ 53.1% |
| May | 76 | 31 | ▼ 59.2% |
| June | 47 | 19 | ▼ 59.6% |
| July | 43 | 18 | ▼ 58.1% |
| August | 32 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 6 | – | – |
| December | 13 | – | – |
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 | 83.3% | 66.7% | ▼ 20.0% |
| February | 75.0% | – | – |
| March | 100.0% | 66.7% | ▼ 33.3% |
| April | 79.7% | 90.0% | ▲ 12.9% |
| May | 84.2% | 71.0% | ▼ 15.7% |
| June | 83.0% | 21.1% | ▼ 74.6% |
| July | 83.7% | 16.7% | ▼ 80.1% |
| August | 50.0% | – | – |
| September | 76.7% | – | – |
| October | 0.0% | – | in progress |
| November | 60.0% | – | – |
| December | 61.5% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 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 99.6% 508
- Cancelled 0.4% 2
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW LGA Chicago Midway International Airport – LaGuardia Airport | 1,164 | 10.6 min | 76.7% | 60 |
| ONT BWI Ontario International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,666 | 7.2 min | 81.0% | 58 |
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 7.1 min | 87.7% | 57 |
| MCO LAX Orlando International Airport – Los Angeles International Airport | 3,562 | 22.9 min | 59.7% | 57 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | 13.8 min | 77.5% | 40 |
| SFO LAX San Francisco International Airport – Los Angeles International Airport | 543 | 64.9 min | 11.8% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| November 2024 | 11 | 11 | 81.8% | 0 |
| December 2024 | 22 | 22 | 68.2% | 0 |
| January 2025 | 7 | 6 | 83.3% | 1 |
| February 2025 | 12 | 12 | 75.0% | 0 |
| March 2025 | 6 | 6 | 100.0% | 0 |
| April 2025 | 64 | 64 | 79.7% | 0 |
| May 2025 | 76 | 76 | 84.2% | 0 |
| June 2025 | 47 | 47 | 83.0% | 0 |
| July 2025 | 43 | 43 | 83.7% | 0 |
| August 2025 | 32 | 32 | 50.0% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 1 | 1 | 0.0% | 0 |
| November 2025 | 6 | 5 | 60.0% | 1 |
| December 2025 | 13 | 13 | 61.5% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| March 2026 | 27 | 27 | 66.7% | 0 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 71.0% | 0 |
| June 2026 | 19 | 19 | 21.1% | 0 |
| July 2026 | 18 | 18 | 16.7% | 0 |