About 1 in 10 AA 327 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.5% were cancelled. The typical flight landed 12 minutes early.
AA 327: ORD → LGA
Scheduled to leave Chicago at 6:00 a.m. local time. Over the past year it arrived on time 90% of the time (191 flights), better than other AA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 87% |
| Tuesday | 29 | 90% |
| Wednesday | 30 | 87% |
| Thursday | 30 | 90% |
| Friday | 30 | 100% |
| Saturday | 21 | 86% |
| Sunday | 21 | 90% |
Why it was late
All flights ORD → LGA · Connecting off AA 327? Check the risk
Questions
How often is AA 327 from ORD to LGA late?
American Airlines 327 from Chicago, IL to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 10% of 191 scheduled flights between September 2025 and August 2026. 0.5% 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.