ON TIMEBOARD

AA 1721 on time

American Airlines 1721: Charleston to Charlotte at 6:35 a.m. (past 12 months)

On time
92%
132 flights · likely 87–96%
Cancelled
0.0%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+539 min
average delay
Similar flights
91%
AA, same route & hour

About 1 in 13 AA 1721 flights from Charleston arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.0% were cancelled. The typical flight landed 15 minutes early.

AA 1721: CHS → CLT

Scheduled to leave Charleston at 6:35 a.m. local time. Over the past year it arrived on time 92% of the time (132 flights), in line with other AA flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 92% on time (26 flights)92AprMay 2025: 94% on time (31 flights)94MayJun 2025: too few flights (4 flights)JunAug 2025: 100% on time (19 flights)100AugSep 2025: 90% on time (29 flights)90SepOct 2025: 90% on time (31 flights)90OctNov 2025: too few flights (1 flights)NovApr 2026: 100% on time (24 flights)100AprMay 2026: 90% on time (20 flights)90MayAug 2026: 93% on time (27 flights)93Aug

By day of week

DayFlightsOn time
Monday19—
Tuesday18—
Wednesday2080%
Thursday19—
Friday19—
Saturday19—
Sunday18—

Why it was late

Airline (crew, maintenance, ops) 99%Air traffic & airport (NAS) 1%

All flights CHS → CLT · Connecting off AA 1721? Check the risk

Questions

How often is AA 1721 from CHS to CLT late?

American Airlines 1721 from Charleston, SC to Charlotte, NC arrived 15 or more minutes late, was diverted or was cancelled on 8% of 132 scheduled flights between September 2025 and August 2026. 0.0% 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.