ON TIMEBOARD

AA 1921 on time

American Airlines 1921: Miami to Tampa at 8:53 p.m. (past 12 months)

On time
60%
321 flights · likely 54–65%
Cancelled
0.9%
of scheduled flights
Typical arrival
+4 min
median vs schedule
When late
+79 min
average delay
Similar flights
61%
AA, same route & hour

About 1 in 2 AA 1921 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (41%); 0.9% were cancelled. The typical flight landed 4 minutes late.

AA 1921: MIA → TPA

Scheduled to leave Miami at 8:53 p.m. local time. Over the past year it arrived on time 60% of the time (321 flights), in line with other AA flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 77% on time (30 flights)77SepOct 2025: 61% on time (31 flights)61OctNov 2025: 80% on time (30 flights)80NovDec 2025: 55% on time (31 flights)55DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 39% on time (31 flights)39MarApr 2026: too few flights (6 flights)AprMay 2026: too few flights (11 flights)MayJun 2026: 53% on time (30 flights)53JunJul 2026: 39% on time (31 flights)39JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday4755%
Tuesday4564%
Wednesday4567%
Thursday4659%
Friday4654%
Saturday4665%
Sunday4652%

Why it was late

Late inbound plane 47%Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 10%Severe weather 7%

All flights MIA → TPA · Connecting off AA 1921? Check the risk

Questions

How often is AA 1921 from MIA to TPA late?

American Airlines 1921 from Miami, FL to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 41% of 321 scheduled flights between September 2025 and August 2026. 0.9% 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.