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

AA 3243 · Chicago (ORD) → Harrisburg (MDT)

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

Arrives on time75%within 15 minutes, of 116 flights
Cancelled1.7%of scheduled flights
An hour or more late11%of flights that operated
When late, on average98 minlate, among flights 15+ min late

Schedule

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

Leaves ORD
15:30
Arrives MDT
18:35
Flight time
2h 05m
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 late25%
30+ min late15%
1h+ late11%
2h+ late6%
10%20%30%40%50% 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 3–4 pm, wherever they’re going: 71% left within 15 minutes and 3.2% were cancelled (21,577 flights in the year). Other American flights on this route →

Upcoming forecasts

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