ON TIMEBOARD

AA 1250 on time

American Airlines 1250: Chicago to Miami at 8:25 a.m. (past 12 months)

On time
71%
182 flights · likely 64–77%
Cancelled
1.7%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+124 min
average delay
Similar flights
76%
AA, same route & hour

About 1 in 3 AA 1250 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (29%); 1.7% were cancelled. The typical flight landed 8 minutes early.

AA 1250: ORD → MIA

Scheduled to leave Chicago at 8:25 a.m. local time. Over the past year it arrived on time 71% of the time (182 flights), worse than other AA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 77% on time (30 flights)77AprMay 2025: 81% on time (31 flights)81MayJun 2025: 83% on time (30 flights)83JunJul 2025: 74% on time (31 flights)74JulAug 2025: 81% on time (31 flights)81AugSep 2025: 83% on time (30 flights)83SepOct 2025: too few flights (5 flights)OctApr 2026: 79% on time (24 flights)79AprMay 2026: 74% on time (31 flights)74MayJun 2026: 60% on time (30 flights)60JunJul 2026: 52% on time (31 flights)52JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday2669%
Tuesday2665%
Wednesday2677%
Thursday2681%
Friday2673%
Saturday2665%
Sunday2665%

Why it was late

Airline (crew, maintenance, ops) 48%Late inbound plane 42%Air traffic & airport (NAS) 7%Severe weather 3%

All flights ORD → MIA · Connecting off AA 1250? Check the risk

Questions

How often is AA 1250 from ORD to MIA late?

American Airlines 1250 from Chicago, IL to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 29% of 182 scheduled flights between September 2025 and August 2026. 1.7% 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.