ON TIMEBOARD

AA 4025 on time

American Airlines 4025: Chicago to Marquette at 6:46 p.m. (past 12 months)

On time
60%
361 flights · likely 55–65%
Cancelled
4.4%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+127 min
average delay
Similar flights
63%
AA, same route & hour

About 1 in 3 AA 4025 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (40%); 4.4% were cancelled. The typical flight landed 0 minutes early.

AA 4025: ORD → MQT

Scheduled to leave Chicago at 6:46 p.m. local time, operated by Envoy as MQ 4025. Over the past year it arrived on time 60% of the time (361 flights), in line with other AA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from Chicago to Marquette (88% of days). American Airlines's last ORD–MQT flight was cancelled 4.7% of the time, against 5.7% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 1:17 p.m. the next morning.

Month by month

30%65%100%Sep 2025: 70% on time (30 flights)70SepOct 2025: 70% on time (30 flights)70OctNov 2025: 76% on time (29 flights)76NovDec 2025: 41% on time (29 flights)41DecJan 2026: 52% on time (31 flights)52JanFeb 2026: 57% on time (28 flights)57FebMar 2026: 48% on time (31 flights)48MarApr 2026: 57% on time (30 flights)57AprMay 2026: 74% on time (31 flights)74MayJun 2026: 57% on time (30 flights)57JunJul 2026: 58% on time (31 flights)58JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday5366%
Tuesday5267%
Wednesday5155%
Thursday5052%
Friday5153%
Saturday5271%
Sunday5256%

Why it was late

Late inbound plane 51%Severe weather 33%Air traffic & airport (NAS) 10%Airline (crew, maintenance, ops) 6%

All flights ORD → MQT · Connecting off AA 4025? Check the risk

Questions

How often is AA 4025 from ORD to MQT late?

American Airlines 4025 from Chicago, IL to Marquette, MI arrived 15 or more minutes late, was diverted or was cancelled on 40% of 361 scheduled flights between September 2025 and August 2026. 4.4% 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.