About 1 in 4 UA 1525 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.9% were cancelled. The typical flight landed 10 minutes early.
UA 1525: EWR → ORD
Scheduled to leave Newark at 10:24 a.m. local time. Over the past year it arrived on time 76% of the time (340 flights), in line with other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 50 | 86% |
| Tuesday | 49 | 76% |
| Wednesday | 49 | 86% |
| Thursday | 49 | 80% |
| Friday | 49 | 67% |
| Saturday | 45 | 78% |
| Sunday | 49 | 61% |
Why it was late
All flights EWR → ORD · Connecting off UA 1525? Check the risk
UA 1525: RDU → EWR
Scheduled to leave Raleigh at 6:00 a.m. local time. Over the past year it arrived on time 90% of the time (134 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 86% |
| Tuesday | 17 | — |
| Wednesday | 17 | — |
| Thursday | 18 | — |
| Friday | 21 | 90% |
| Saturday | 22 | 91% |
| Sunday | 18 | — |
Why it was late
All flights RDU → EWR · Connecting off UA 1525? Check the risk
Questions
How often is UA 1525 from EWR to ORD late?
United Airlines 1525 from Newark, NJ to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 24% of 340 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.
How often is UA 1525 from RDU to EWR late?
United Airlines 1525 from Raleigh/Durham, NC to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 10% of 134 scheduled flights between September 2025 and August 2026. 3.7% 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 United Airlines for today's flight. Method.