WN4200
WN4200 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Fort Lauderdale to Houston. Of 503 departures recorded from October 2024 to July 2026, 64.2% left on time, according to the US BTS.
- On-time departures64.2%of 503 flights
- Average delay19.8 min
- July 202627▲ 237.5%vs July 2025
- Cancelled1.8%
- Legs flown under this number20
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 | 47 | 4 | ▼ 91.5% |
| February | 45 | 1 | ▼ 97.8% |
| March | 34 | 20 | ▼ 41.2% |
| April | 28 | 32 | ▲ 14.3% |
| May | 31 | 35 | ▲ 12.9% |
| June | 11 | 26 | ▲ 136.4% |
| July | 8 | 27 | ▲ 237.5% |
| August | 2 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 204 | 145 | ▼ 28.9% |
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 | 50.0% | 75.0% | ▲ 50.0% |
| February | 71.1% | 100.0% | ▲ 40.6% |
| March | 64.7% | 95.0% | ▲ 46.8% |
| April | 60.7% | 71.9% | ▲ 18.4% |
| May | 54.8% | 57.1% | ▲ 4.2% |
| June | 54.6% | 40.0% | ▼ 26.7% |
| July | 62.5% | 28.0% | ▼ 55.2% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 58.6% | – | in progress |
| November | 70.4% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 59.8% | 66.7% | ▲ 11.6% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 3 | 0.0% |
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 98.2% 494
- Cancelled 1.8% 9
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 |
|---|---|---|---|---|
| FLL HOU Fort Lauderdale Hollywood International Airport – William P. Hobby Airport | 1,538 | 13.4 min | 70.6% | 104 |
| RSW MDW Southwest Florida International Airport – Chicago Midway International Airport | 1,782 | 21.2 min | 67.2% | 63 |
| SEA PHX Seattle–Tacoma International Airport – Phoenix Sky Harbor International Airport | 1,782 | 19.9 min | 64.9% | 57 |
| MDW DTW Chicago Midway International Airport – Detroit Metropolitan Wayne County Airport | 367 | 32.2 min | 35.9% | 42 |
| HOU LAS William P. Hobby Airport – Harry Reid International Airport | 1,985 | 14.5 min | 65.7% | 36 |
| DEN DTW Denver International Airport – Detroit Metropolitan Wayne County Airport | 1,802 | 33.4 min | 60.6% | 33 |
| DAL LAX Dallas Love Field – Los Angeles International Airport | 2,002 | 24.7 min | 54.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 88.9% | 0 |
| November 2024 | 25 | 25 | 96.0% | 0 |
| December 2024 | 28 | 28 | 82.1% | 0 |
| January 2025 | 47 | 44 | 50.0% | 3 |
| February 2025 | 45 | 45 | 71.1% | 0 |
| March 2025 | 34 | 34 | 64.7% | 0 |
| April 2025 | 28 | 28 | 60.7% | 0 |
| May 2025 | 31 | 31 | 54.8% | 0 |
| June 2025 | 11 | 11 | 54.6% | 0 |
| July 2025 | 8 | 8 | 62.5% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 30 | 29 | 58.6% | 1 |
| November 2025 | 29 | 27 | 70.4% | 2 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 4 | 4 | 75.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 20 | 20 | 95.0% | 0 |
| April 2026 | 32 | 32 | 71.9% | 0 |
| May 2026 | 35 | 35 | 57.1% | 0 |
| June 2026 | 26 | 25 | 40.0% | 1 |
| July 2026 | 27 | 25 | 28.0% | 2 |