About 5 in 10 AA 3144 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (50%); 4.8% were cancelled. The typical flight landed 11 minutes late.
AA 3144: ORD → IAH
Scheduled to leave Chicago at 8:59 p.m. local time. Over the past year it arrived on time 50% of the time (272 flights), in line with other AA flights on the route at that hour (50%). Last seen in the data Aug 31, 2026.
Usually American Airlines's last flight of the day from Chicago to Houston (99% of days). American Airlines's last ORD–IAH flight was cancelled 4.1% of the time, against 2.0% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 8:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 42 | 60% |
| Tuesday | 34 | 71% |
| Wednesday | 33 | 42% |
| Thursday | 40 | 55% |
| Friday | 41 | 39% |
| Saturday | 41 | 44% |
| Sunday | 41 | 41% |
Why it was late
All flights ORD → IAH · Connecting off AA 3144? Check the risk
Questions
How often is AA 3144 from ORD to IAH late?
American Airlines 3144 from Chicago, IL to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 50% of 272 scheduled flights between September 2025 and August 2026. 4.8% 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.