ON TIMEBOARD

AA 3408 on time

American Airlines 3408: Boston to Cincinnati at 6:20 p.m. (past 12 months)

On time
68%
176 flights · likely 61–75%
Cancelled
0.6%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+101 min
average delay
Similar flights
64%
AA, same route & hour

About 1 in 3 AA 3408 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (32%); 0.6% were cancelled. The typical flight landed 1 minutes early.

AA 3408: BOS → CVG

Scheduled to leave Boston at 6:20 p.m. local time, operated by Envoy as MQ 3408. Over the past year it arrived on time 68% of the time (176 flights), better than other AA flights on the route at that hour (64%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from Boston to Cincinnati (73% of days). American Airlines's last BOS–CVG flight was cancelled 2.2% of the time, against 2.5% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 11:59 a.m. the next morning.

Month by month

40%70%100%May 2025: too few flights (4 flights)MayJun 2025: 58% on time (26 flights)58JunJul 2025: 63% on time (30 flights)63JulAug 2025: 81% on time (31 flights)81AugSep 2025: too few flights (2 flights)SepOct 2025: 65% on time (26 flights)65OctNov 2025: too few flights (1 flights)NovApr 2026: 75% on time (24 flights)75AprMay 2026: 71% on time (31 flights)71MayJun 2026: 70% on time (30 flights)70JunJul 2026: 61% on time (31 flights)61JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday2677%
Tuesday2665%
Wednesday2572%
Thursday2556%
Friday2572%
Saturday2568%
Sunday2467%

Why it was late

Late inbound plane 68%Air traffic & airport (NAS) 20%Airline (crew, maintenance, ops) 12%Severe weather 1%

All flights BOS → CVG · Connecting off AA 3408? Check the risk

Questions

How often is AA 3408 from BOS to CVG late?

American Airlines 3408 from Boston, MA to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 32% of 176 scheduled flights between September 2025 and August 2026. 0.6% 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.