AA1121 CLT → BOS

American Airlines · Charlotte, NC to Boston, MA · 57 flights observed, 2025-08-06 to 2025-10-05 · 728 mi

This flight's reliability varies a lot by day of week — 88% on-time on Tuesdays vs. 44% on Thursdays.

AA1121 covers more than one route in the data window — the stats below are for CLT → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
64%
Median delay
+6 min
90th percentile
+84 min
Cancellation rate
2%

How often is AA1121 on time?

Across 57 flights on CLT → BOS from 2025-08-06 to 2025-10-05, AA1121 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +84 min or later. 2% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3664%
16-30 min35%
31-60 min1018%
61-120 min47%
2+ hrs35%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082273%+11 min
2025-092955%+36 min
2025-10580%+2 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue888%
Wed978%
Thu944%
Fri967%
Sat560%
Sun850%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…