ON TIMEBOARD

AA 1009 on time

American Airlines 1009: Los Angeles to Chicago at 10:45 p.m. (past 12 months)

On time
78%
130 flights · likely 70–84%
Cancelled
1.5%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+117 min
average delay
Similar flights
84%
AA, same route & hour

About 1 in 4 AA 1009 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (22%); 1.5% were cancelled. The typical flight landed 12 minutes early.

AA 1009: LAX → ORD

Scheduled to leave Los Angeles at 10:45 p.m. local time. Over the past year it arrived on time 78% of the time (130 flights), worse than other AA flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from Los Angeles to Chicago (100% of days). American Airlines's last LAX–ORD flight was cancelled 2.2% of the time, against 1.7% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 12:41 a.m. the next morning.

Month by month

40%70%100%Mar 2025: 74% on time (31 flights)74MarApr 2025: 77% on time (30 flights)77AprMay 2025: 81% on time (27 flights)81MayJun 2025: 80% on time (30 flights)80JunJul 2025: 77% on time (30 flights)77JulAug 2025: too few flights (7 flights)AugOct 2025: 54% on time (26 flights)54OctNov 2025: too few flights (1 flights)NovMay 2026: too few flights (11 flights)MayJun 2026: 70% on time (30 flights)70JunJul 2026: 87% on time (31 flights)87JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday19—
Tuesday18—
Wednesday18—
Thursday19—
Friday19—
Saturday19—
Sunday18—

Why it was late

Late inbound plane 50%Airline (crew, maintenance, ops) 48%Air traffic & airport (NAS) 1%

All flights LAX → ORD · Connecting off AA 1009? Check the risk

Questions

How often is AA 1009 from LAX to ORD late?

American Airlines 1009 from Los Angeles, CA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 22% of 130 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.