ON TIMEBOARD

AA 1249 on time

American Airlines 1249: New York to Miami at 6:00 a.m. (past 12 months)

On time
90%
177 flights · likely 85–94%
Cancelled
1.7%
of scheduled flights
Typical arrival
−17 min
median vs schedule
When late
+303 min
average delay
Similar flights
86%
AA, same route & hour

About 1 in 10 AA 1249 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (10%); 1.7% were cancelled. The typical flight landed 17 minutes early.

AA 1249: LGA → MIA

Scheduled to leave New York at 6:00 a.m. local time. Over the past year it arrived on time 90% of the time (177 flights), better than other AA flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 90% on time (30 flights)90AprMay 2025: 97% on time (31 flights)97MayJun 2025: 90% on time (30 flights)90JunJul 2025: 84% on time (31 flights)84JulAug 2025: 97% on time (31 flights)97AugSep 2025: 92% on time (26 flights)92SepOct 2025: too few flights (4 flights)OctApr 2026: 96% on time (24 flights)96AprMay 2026: 90% on time (31 flights)90MayJun 2026: 93% on time (30 flights)93JunJul 2026: 84% on time (31 flights)84JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday2688%
Tuesday2696%
Wednesday2696%
Thursday2685%
Friday2696%
Saturday2186%
Sunday2685%

Why it was late

Late inbound plane 59%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 7%

All flights LGA → MIA · Connecting off AA 1249? Check the risk

Questions

How often is AA 1249 from LGA to MIA late?

American Airlines 1249 from New York, NY to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 10% of 177 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.