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

F9 4028 · Houston (IAH) → Philadelphia (PHL)

Sold by Frontier. Still flying: 1 of the last 56 days.

Arrives on time67%within 15 minutes, of 21 flights
Cancelled0.0%of scheduled flights
An hour or more late24%of flights that operated
When late, on average110 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Philadelphia is 1 h ahead of Houston).

Leaves IAH
11:51
Arrives PHL
16:16
Flight time
3h 25m
Days flown, last 8 weeks
1 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 late33%
30+ min late33%
1h+ late24%
2h+ late10%
10%20%30%40% 015301h1h302h3h

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

Its hour at IAH

All flights leaving Houston (IAH) at 11 am–12 pm, wherever they’re going: 83% left within 15 minutes and 1.3% were cancelled (6,445 flights in the year). Other Frontier flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.