ON TIMEBOARD
American Airlines / ORD → ALB

AA 4256 on time

American Airlines 4256: Chicago to Albany at 8:15 a.m.; Albany to Chicago at 1:27 p.m. (past 12 months). Figures below the title are for ORD → ALB, its busiest leg

On time
76%
236 flights · likely 70–81%
Cancelled
0.9%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+56 min
average delay
Similar flights
78%
AA, same route & hour

About 1 in 4 AA 4256 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.9% were cancelled. The typical flight landed 10 minutes early.

AA 4256: ORD → ALB

Scheduled to leave Chicago at 8:15 a.m. local time, operated by Envoy as MQ 4256. Over the past year it arrived on time 76% of the time (236 flights), in line with other AA flights on the route at that hour (78%). Last seen in the data Jul 1, 2026.

Month by month

30%65%100%Aug 2025: 86% on time (28 flights)86AugSep 2025: 86% on time (29 flights)86SepOct 2025: 68% on time (31 flights)68OctNov 2025: 75% on time (20 flights)75NovDec 2025: 69% on time (16 flights)69DecJan 2026: 40% on time (25 flights)40JanFeb 2026: 68% on time (28 flights)68FebMar 2026: too few flights (7 flights)MarApr 2026: 89% on time (18 flights)89AprMay 2026: 87% on time (31 flights)87MayJun 2026: 100% on time (30 flights)100JunJul 2026: too few flights (1 flights)Jul

By day of week

DayFlightsOn time
Monday3669%
Tuesday3379%
Wednesday3187%
Thursday3681%
Friday3675%
Saturday3077%
Sunday3468%

Why it was late

Late inbound plane 52%Air traffic & airport (NAS) 20%Airline (crew, maintenance, ops) 15%Severe weather 14%

All flights ORD → ALB · Connecting off AA 4256? Check the risk

AA 4256: ALB → ORD

Scheduled to leave Albany at 1:27 p.m. local time, operated by Envoy as MQ 4256. Over the past year it arrived on time 83% of the time (203 flights), better than other AA flights on the route at that hour (77%). Last seen in the data Aug 5, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (29 flights)90SepOct 2025: 77% on time (31 flights)77OctNov 2025: 70% on time (20 flights)70NovDec 2025: 65% on time (17 flights)65DecJan 2026: too few flights (1 flights)JanFeb 2026: 88% on time (17 flights)88FebMar 2026: too few flights (7 flights)MarApr 2026: 89% on time (18 flights)89AprMay 2026: 87% on time (31 flights)87MayJun 2026: 93% on time (30 flights)93JunJul 2026: too few flights (1 flights)JulAug 2026: too few flights (1 flights)Aug

By day of week

DayFlightsOn time
Monday3181%
Tuesday2781%
Wednesday2789%
Thursday3184%
Friday3181%
Saturday2588%
Sunday3177%

Why it was late

Late inbound plane 51%Air traffic & airport (NAS) 25%Airline (crew, maintenance, ops) 16%Severe weather 9%

All flights ALB → ORD · Connecting off AA 4256? Check the risk

Questions

How often is AA 4256 from ORD to ALB late?

American Airlines 4256 from Chicago, IL to Albany, NY arrived 15 or more minutes late, was diverted or was cancelled on 24% of 236 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.

How often is AA 4256 from ALB to ORD late?

American Airlines 4256 from Albany, NY to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 17% of 203 scheduled flights between September 2025 and August 2026. 1.0% 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.