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

F9 3135 · Chicago (ORD) → Houston (IAH)

Sold by Frontier. Still flying: 56 of the last 56 days (Daily).

Arrives on time78%within 15 minutes, of 263 flights
Cancelled3.8%of scheduled flights
An hour or more late13%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.

Leaves ORD
17:29
Arrives IAH
20:52
Flight time
3h 17m
Days flown, last 8 weeks
56 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 late22%
30+ min late18%
1h+ late13%
2h+ late6%
10%20%30%40% 015301h1h302h3h

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

Its hour at ORD

All flights leaving Chicago (ORD) at 5–6 pm, wherever they’re going: 66% left within 15 minutes and 4.4% were cancelled (20,888 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.