Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 4230 · Fort Lauderdale (FLL) → Houston (HOU)
Sold by Southwest. Still flying: 12 of the last 56 days (Mon, Thu, Fri).
Arrives on time42%within 15 minutes, of 12 flights
Cancelled0.0%of scheduled flights
An hour or more late42%of flights that operated
When late, on average103 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Houston is 1 h behind Fort Lauderdale).
- Leaves FLL
- 17:35
- Arrives HOU
- 19:15
- Flight time
- 2h 40m
- Days flown, last 8 weeks
- 12 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at FLL
All flights leaving Fort Lauderdale (FLL) at 5–6 pm, wherever they’re going: 60% left within 15 minutes and 2.5% were cancelled (5,938 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.