ON TIMEBOARD

AA 3894 on time

American Airlines 3894: Cincinnati to Chicago at 9:58 a.m. (past 12 months)

On time
72%
359 flights · likely 67–76%
Cancelled
0.8%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+68 min
average delay
Similar flights
71%
AA, same route & hour

About 1 in 4 AA 3894 flights from Cincinnati arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.8% were cancelled. The typical flight landed 4 minutes early.

AA 3894: CVG → ORD

Scheduled to leave Cincinnati at 9:58 a.m. local time, operated by Envoy as MQ 3894. Over the past year it arrived on time 72% of the time (359 flights), in line with other AA flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 43% on time (30 flights)43SepOct 2025: 55% on time (31 flights)55OctNov 2025: 59% on time (29 flights)59NovDec 2025: 58% on time (31 flights)58DecJan 2026: 85% on time (27 flights)85JanFeb 2026: 81% on time (27 flights)81FebMar 2026: 77% on time (31 flights)77MarApr 2026: 83% on time (30 flights)83AprMay 2026: 74% on time (31 flights)74MayJun 2026: 80% on time (30 flights)80JunJul 2026: 90% on time (31 flights)90JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday5366%
Tuesday5277%
Wednesday5277%
Thursday5275%
Friday5267%
Saturday4777%
Sunday5163%

Why it was late

Air traffic & airport (NAS) 38%Airline (crew, maintenance, ops) 29%Late inbound plane 25%Severe weather 7%

All flights CVG → ORD · Connecting off AA 3894? Check the risk

Questions

How often is AA 3894 from CVG to ORD late?

American Airlines 3894 from Cincinnati, OH to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 28% of 359 scheduled flights between September 2025 and August 2026. 0.8% 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.