ON TIMEBOARD

AA 3655 on time

American Airlines 3655: Columbia to Chicago at 6:00 a.m. (past 12 months)

On time
85%
320 flights · likely 81–88%
Cancelled
0.9%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+108 min
average delay
Similar flights
87%
AA, same route & hour

About 1 in 7 AA 3655 flights from Columbia arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.9% were cancelled. The typical flight landed 13 minutes early.

AA 3655: COU → ORD

Scheduled to leave Columbia at 6:00 a.m. local time, operated by Envoy as MQ 3655. Over the past year it arrived on time 85% of the time (320 flights), in line with other AA flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 81% on time (31 flights)81OctNov 2025: 77% on time (30 flights)77NovDec 2025: 65% on time (31 flights)65DecJan 2026: 83% on time (30 flights)83JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 94% on time (31 flights)94MarApr 2026: too few flights (6 flights)AprMay 2026: too few flights (11 flights)MayJun 2026: 93% on time (30 flights)93JunJul 2026: 97% on time (31 flights)97JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4785%
Tuesday4591%
Wednesday4591%
Thursday4689%
Friday4683%
Saturday4680%
Sunday4576%

Why it was late

Airline (crew, maintenance, ops) 36%Late inbound plane 26%Air traffic & airport (NAS) 23%Severe weather 15%

All flights COU → ORD · Connecting off AA 3655? Check the risk

Questions

How often is AA 3655 from COU to ORD late?

American Airlines 3655 from Columbia, MO to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 15% of 320 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.