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

F9 2412 · Ontario (ONT) → Houston (IAH)

Sold by Frontier. Still flying: 30 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).

Arrives on time79%within 15 minutes, of 58 flights
Cancelled1.7%of scheduled flights
An hour or more late7%of flights that operated
When late, on average72 minlate, among flights 15+ min late

Schedule

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

Leaves ONT
09:32
Arrives IAH
14:52
Flight time
3h 20m
Days flown, last 8 weeks
30 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 late21%
30+ min late16%
1h+ late7%
2h+ late4%
10%20%30%40% 015301h1h302h3h

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

Its hour at ONT

All flights leaving Ontario (ONT) at 9–10 am, wherever they’re going: 89% left within 15 minutes and 0.8% were cancelled (1,239 flights in the year). Other Frontier flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.