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

F9 3397 · Atlanta (ATL) → Chicago (ORD)

Sold by Frontier. Still flying: 24 of the last 56 days (Tue, Wed, Sat).

Arrives on time58%within 15 minutes, of 244 flights
Cancelled5.3%of scheduled flights
An hour or more late24%of flights that operated
When late, on average118 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Chicago is 1 h behind Atlanta).

Leaves ATL
18:22
Arrives ORD
19:52
Flight time
2h 30m
Days flown, last 8 weeks
24 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 late42%
30+ min late32%
1h+ late24%
2h+ late12%
20%40%60% 015301h1h302h3h

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

Its hour at ATL

All flights leaving Atlanta (ATL) at 6–7 pm, wherever they’re going: 70% left within 15 minutes and 1.8% were cancelled (15,435 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.