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

AA 2303 · Chicago (ORD) → Boston (BOS)

Sold by American. Still flying: 55 of the last 56 days (Daily).

Arrives on time49%within 15 minutes, of 71 flights
Cancelled4.2%of scheduled flights
An hour or more late29%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 (Boston is 1 h ahead of Chicago).

Leaves ORD
15:08
Arrives BOS
18:47
Flight time
2h 39m
Days flown, last 8 weeks
55 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 late51%
30+ min late43%
1h+ late29%
2h+ late15%
20%40%60% 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.