ON TIMEBOARD

AA 1551 on time

American Airlines 1551: Miami to Memphis at 10:28 p.m. (past 12 months)

On time
58%
208 flights · likely 51–65%
Cancelled
0.5%
of scheduled flights
Typical arrival
+4 min
median vs schedule
When late
+58 min
average delay
Similar flights
56%
AA, same route & hour

About 1 in 2 AA 1551 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (42%); 0.5% were cancelled. The typical flight landed 4 minutes late.

AA 1551: MIA → MEM

Scheduled to leave Miami at 10:28 p.m. local time. Over the past year it arrived on time 58% of the time (208 flights), in line with other AA flights on the route at that hour (56%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%May 2025: 52% on time (31 flights)52MayJun 2025: 57% on time (30 flights)57JunJul 2025: 29% on time (31 flights)29JulAug 2025: 48% on time (31 flights)48AugSep 2025: 70% on time (30 flights)70SepOct 2025: 50% on time (30 flights)50OctNov 2025: too few flights (1 flights)NovApr 2026: 58% on time (24 flights)58AprMay 2026: 52% on time (31 flights)52MayJun 2026: 60% on time (30 flights)60JunJul 2026: 52% on time (31 flights)52JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday3050%
Tuesday3070%
Wednesday3067%
Thursday3047%
Friday2972%
Saturday3063%
Sunday2938%

Why it was late

Late inbound plane 50%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 17%Severe weather 5%

All flights MIA → MEM · Connecting off AA 1551? Check the risk

Questions

How often is AA 1551 from MIA to MEM late?

American Airlines 1551 from Miami, FL to Memphis, TN arrived 15 or more minutes late, was diverted or was cancelled on 42% of 208 scheduled flights between September 2025 and August 2026. 0.5% 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.