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

AA 1578 · Boston (BOS) → Los Angeles (LAX)

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

Arrives on time67%within 15 minutes, of 198 flights
Cancelled1.0%of scheduled flights
An hour or more late14%of flights that operated
When late, on average100 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Los Angeles is 3 h behind Boston).

Leaves BOS
17:33
Arrives LAX
20:55
Flight time
6h 22m
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 late33%
30+ min late25%
1h+ late14%
2h+ late7%
20%40%60% 015301h1h302h3h

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

Its hour at BOS

All flights leaving Boston (BOS) at 5–6 pm, wherever they’re going: 63% left within 15 minutes and 3.8% were cancelled (9,918 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.