Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

WN 3304 · Houston (HOU) → Phoenix (PHX)

Sold by Southwest. Still flying: 40 of the last 56 days (Mon–Fri).

Arrives on time55%within 15 minutes, of 42 flights
Cancelled0.0%of scheduled flights
An hour or more late12%of flights that operated
When late, on average51 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Phoenix is 2 h behind Houston).

Leaves HOU
14:25
Arrives PHX
15:05
Flight time
2h 40m
Days flown, last 8 weeks
40 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.

15+ min late45%
30+ min late29%
1h+ late12%
2h+ late5%
20%40%60% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at HOU

All flights leaving Houston (HOU) at 2–3 pm, wherever they’re going: 65% left within 15 minutes and 0.5% were cancelled (4,138 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.